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Lock (water navigation)

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A lock is a device used for raising and lowering boats, ships and other watercraft between stretches of water of different levels on river and canal waterways. [1]

196 relations: Agde Round Lock, Allier (river), American English, Anderton Boat Lift, Archimedes' principle, Autherley Junction, Ballard Locks, Ballard, Seattle, Bath Locks, Bedford, Belgium, Berendrecht Lock, Big Chute Marine Railway, Bingley Five Rise Locks, Birmingham, Birmingham Canal Navigations, Boat, Boat lift, Bollène, Bosley Lock Flight, British Waterways, Bruges, Bude Canal, Burn (landform), Caisson (engineering), Caisson (lock gate), Caisson lock, Calder and Hebble Navigation, Caledonian Canal, Camden Lock, Canada, Canal, Canal du Midi, Canal inclined plane, Canal latéral à la Loire, Canal pound, Canal Safety Gates, Canal Saint-Denis, Canals of the United Kingdom, Capstan (nautical), Chenango Canal, Chesapeake and Ohio Canal, Cheshire, Chesterfield Canal, China, Control lock, Coventry Canal, Dalmuir, Dam, Damme, ..., Devizes, Dock (maritime), Dortmund–Ems Canal, Douro, Dream Pool Essays, Driffield Navigation, Droitwich Canal, East Anglia, Electricity, Elevator, Elm, Erie Canal, Europe, Falkirk Wheel, Fish ladder, Flash lock, Floodgate, Forth and Clyde Canal, Foxton Locks, France, Francesco I Sforza, Garston Lock, Gas Street Basin, Gatun Lake, George IV of the United Kingdom, Germany, Gouda, South Holland, Grand Canal (China), Grand Union Canal, Grindley Brook, Guillotine lock, Hall Green Branch, Hanover, Hardings Wood Junction, Hérault (river), Hillmorton, Hollandic Water Line, Huai'an, Hydraulics, Irtysh River, Italy, Jiangsu, Kazakhstan, Kendal, Kennet and Avon Canal, Kidsgrove, Kiel Canal, Kieldrecht Lock, Lancaster Canal, Leeds and Liverpool Canal, Lehigh Canal, Leonardo da Vinci, Limehouse Basin, List of locks and dams of the Upper Mississippi River, Lock (water navigation), Lockport (city), New York, Macclesfield Canal, Maeslantkering, Münster, Milan, Milton Keynes, Mississippi River, Monkey Marsh Lock, Montgomery Canal, Napton-on-the-Hill, Nationalization, Navigable aqueduct, Naviglio di Bereguardo, Netherlands, Niagara Escarpment, Nicholson Guides, Oak, Ontario, Oskemen, Oxford, Oxford Canal, Oxford English Dictionary, Panama Canal, Panamax, Patent slip, Paw Paw Tunnel, Penstock, Peterborough Lift Lock, Peterborough, Ontario, Pontoon (boat), Port of Antwerp, Potomac Company, Prince regent, Pump, Rack and pinion, Rapids, Regent's Canal, Reservoir, Rhône, Rhine–Main–Danube Canal, Ribble Link, River, River Nene, River Thames, River Weaver, Rochdale Canal, Rotterdam, Salmon, Science and Civilisation in China, Scotland, Seawaymax, Shannon hydroelectric scheme, Shen Kuo, Ship, Ship canal, Shropshire Union Canal, Sir William Congreve, 2nd Baronet, Slipway, Sluice, Snakeholme Lock, Somerset Coal Canal, Song dynasty, Staffordshire and Worcestershire Canal, Steel, Stratford-upon-Avon Canal, Strépy-Thieu boat lift, Struncheon Hill Lock, Suezmax, Thames Barrier, Three Gorges Dam, Tide, Transshipment, Trent and Mersey Canal, Trent–Severn Waterway, Trout, Tuel Lane Lock, Tunnel, Twenty-Four Histories, Union Canal (Scotland), United States, Vreeswijk, Water slope, Watercraft, Waterway, Watford Locks, Weigh lock, Weir, Windlass, Worcester and Birmingham Canal, Xi River, Yangtze. Expand index (146 more) »

Agde Round Lock

The Agde Round Lock (L'Écluse Ronde d'Agde) is a canal lock on the Canal du Midi that connects to the Hérault River in Agde France.

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Allier (river)

The Allier (Alèir) is a river in central France.

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American English

American English (AmE, AE, AmEng, USEng, en-US), sometimes called United States English or U.S. English, is the set of varieties of the English language native to the United States.

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Anderton Boat Lift

The Anderton Boat Lift is a two caisson lift lock near the village of Anderton, Cheshire, in North West England.

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Archimedes' principle

Archimedes' principle states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces and acts in the upward direction at the center of mass of the displaced fluid.

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Autherley Junction

Autherley Junction is the name of the canal junction where the Shropshire Union Canal terminates and meets the Staffordshire and Worcestershire Canal near to Oxley, north Wolverhampton, West Midlands, England.

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Ballard Locks

The Hiram M. Chittenden Locks, or Ballard Locks, is a complex of locks at the west end of Salmon Bay, in Seattle, Washington's Lake Washington Ship Canal, between the neighborhoods of Ballard to the north and Magnolia to the south.

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Ballard, Seattle

Ballard is a neighborhood located in the northwestern part of Seattle, Washington.

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Bath Locks

Bath Locks are a series of locks, now six locks, situated at the start of the Kennet and Avon Canal, at Bath, England.

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Bedford is the county town of Bedfordshire, England.

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Belgium, officially the Kingdom of Belgium, is a country in Western Europe bordered by France, the Netherlands, Germany and Luxembourg.

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Berendrecht Lock

The Berendrecht Lock is the world's second largest lock, giving access to the right-bank docks of the Port of Antwerp in Belgium.

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Big Chute Marine Railway

Big Chute Marine Railway is a patent slip at lock 44 of the Trent-Severn Waterway in Ontario, Canada.

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Bingley Five Rise Locks

Bingley Five-Rise Locks is a staircase lock on the Leeds and Liverpool Canal at Bingley.

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Birmingham is a city and metropolitan borough in the West Midlands, England, with an estimated population of 1,101,360, making it the second most populous city of England and the United Kingdom.

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Birmingham Canal Navigations

Birmingham Canal Navigations (BCN) is a network of canals connecting Birmingham, Wolverhampton, and the eastern part of the Black Country.

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A boat is a watercraft of a large range of type and size.

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Boat lift

A boat lift, ship lift, or lift lock is a machine for transporting boats between water at two different elevations, and is an alternative to the canal lock and the canal inclined plane.

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Bollène (Provençal: Bouleno) is a commune in the Vaucluse department in the Provence-Alpes-Côte d'Azur region in southeastern France.

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Bosley Lock Flight

Bosley Lock Flight is a flight of twelve canal locks, situated on the Macclesfield Canal at Bosley, near Macclesfield, Cheshire, England.

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British Waterways

British Waterways, often shortened to BW, was a statutory corporation wholly owned by the government of the United Kingdom.

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Bruges (Brugge; Bruges; Brügge) is the capital and largest city of the province of West Flanders in the Flemish Region of Belgium, in the northwest of the country.

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Bude Canal

The Bude Canal was a canal built to serve the hilly hinterland in the Devon and Cornwall border territory in the United Kingdom, chiefly to bring lime-bearing sand for agricultural fertiliser.

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Burn (landform)

A burn is a watercourse (in size from a large stream to a small river).

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Caisson (engineering)

In geotechnical engineering, a caisson is a watertight retaining structure used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, or for the repair of ships.

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Caisson (lock gate)

A caisson is a form of lock gate.

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Caisson lock

The caisson lock was invented in the late 18th century as a solution to the problem posed by the excessive demand for water when conventional locks were used to raise and lower canal boats through large height differences.

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Calder and Hebble Navigation

The Calder and Hebble Navigation is a broad inland waterway, with locks and bridgeholes that are suitable for boats, in West Yorkshire, England.

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Caledonian Canal

The Caledonian Canal connects the Scottish east coast at Inverness with the west coast at Corpach near Fort William in Scotland.

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Camden Lock

Camden Lock is a small part of Camden Town, London Borough of Camden, England, which was formerly a wharf with stables on the Regent's Canal.

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Canada is a country located in the northern part of North America.

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Canals, or navigations, are human-made channels, or artificial waterways, for water conveyance, or to service water transport vehicles.

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Canal du Midi

The Canal du Midi (meaning canal of the two seas) is a long canal in Southern France (le Midi).

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Canal inclined plane

An inclined plane is a system used on some canals for raising boats between different water levels.

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Canal latéral à la Loire

The Canal Latéral à la Loire was constructed between 1827 and 1838 to connect the Canal de Briare at Briare and the Canal du Centre at Digoin, a distance of 196 km.

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Canal pound

A canal pound, reach, or level (American usage), is the stretch of level water impounded between two canal locks.

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Canal Safety Gates

Canal safety gates or canal air raid protection gates are structures that were installed on canals specifically to reduce or prevent flood damage to dwellings, factories, etc.

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Canal Saint-Denis

The Canal Saint-Denis is a canal in Paris that is in length.

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Canals of the United Kingdom

The canals of the United Kingdom are a major part of the network of inland waterways in the United Kingdom.

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Capstan (nautical)

A capstan is a vertical-axled rotating machine developed for use on sailing ships to multiply the pulling force of seamen when hauling ropes, cables, and hawsers.

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Chenango Canal

The Chenango Canal was a towpath canal built and operated in the mid-19th century in central New York in the United States.

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Chesapeake and Ohio Canal

The Chesapeake and Ohio Canal, abbreviated as the C&O Canal and occasionally called the "Grand Old Ditch," operated from 1831 until 1924 along the Potomac River from Washington, D.C., to Cumberland, Maryland.

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Cheshire (archaically the County Palatine of Chester) is a county in North West England, bordering Merseyside and Greater Manchester to the north, Derbyshire to the east, Staffordshire and Shropshire to the south and Flintshire, Wales and Wrexham county borough to the west.

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Chesterfield Canal

The Chesterfield Canal is a barge canal in the East Midlands of England and it is known locally as 'Cuckoo Dyke'.

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China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.

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Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

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Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

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Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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Christmas traditions

Christmas traditions vary from country to country.

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Control lock

A control lock, guard lock or stop lock differs from a normal canal lock in that its primary purpose is controlling variances in water level rather than raising or lowering vessels.

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Coventry Canal

The Coventry Canal is a navigable narrow canal in the Midlands of England.

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Dalmuir (Dail Mhoire) is an area on the western side of Clydebank, in West Dunbartonshire, Scotland.

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A dam is a barrier that stops or restricts the flow of water or underground streams.

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Damme is a municipality located in the Belgian province of West Flanders, six kilometres northeast of Brugge (Bruges).

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Devizes is a market town and civil parish in the centre of Wiltshire, England.

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Dock (maritime)

A dock (from Dutch dok) is the area of water between or next to one or a group of human-made structures that are involved in the handling of boats or ships (usually on or near a shore) or such structures themselves.

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Dortmund–Ems Canal

The Dortmund–Ems Canal is a long canal in Germany between the inland port of the city of Dortmund and the sea port of Emden.

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The Douro (Douro; Duero; translation) is one of the major rivers of the Iberian Peninsula, flowing from its source near Duruelo de la Sierra in Soria Province across northern-central Spain and Portugal to its outlet at Porto.

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Dream Pool Essays

The Dream Pool Essays or Dream Torrent Essays (Pinyin: Mèng Xī Bǐ Tán; Wade-Giles: Meng⁴ Hsi¹ Pi³-t'an²; Chinese: 夢溪筆談/梦溪笔谈) was an extensive book written by the Han Chinese polymath, genius, scientist and statesman Shen Kuo (1031-1095) by 1088 AD, during the Song dynasty (960-1279) of China.

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Driffield Navigation

The Driffield Navigation is an waterway, through the heart of the Holderness Plain to the market town of Driffield, East Riding of Yorkshire, England.

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Droitwich Canal

The Droitwich Canal is a synthesis of two canals in Worcestershire, England; the Droitwich Barge Canal and the Droitwich Junction Canal.

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East Anglia

East Anglia is a geographical area in the East of England.

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Electricity is the set of physical phenomena associated with the presence and motion of electric charge.

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An elevator (US and Canada) or lift (UK, Australia, Ireland, New Zealand, and South Africa, Nigeria) is a type of vertical transportation that moves people or goods between floors (levels, decks) of a building, vessel, or other structure.

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Elms are deciduous and semi-deciduous trees comprising the flowering plant genus Ulmus in the plant family Ulmaceae.

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Erie Canal

The Erie Canal is a canal in New York, United States that is part of the east–west, cross-state route of the New York State Canal System (formerly known as the New York State Barge Canal).

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Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.

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Falkirk Wheel

The Falkirk Wheel is a rotating boat lift in Scotland, connecting the Forth and Clyde Canal with the Union Canal.

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Fish ladder

A fish ladder, also known as a fishway, fish pass or fish steps, is a structure on or around artificial and natural barriers (such as dams, locks and waterfalls) to facilitate diadromous fishes' natural migration.

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Flash lock

Early locks were designed with a single gate, known as a flash lock or staunch lock.

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Floodgates, also called stop gates, are adjustable gates used to control water flow in flood barriers, reservoir, river, stream, or levee systems.

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Forth and Clyde Canal

The Forth and Clyde Canal is a canal opened in 1790, crossing central Scotland; it provided a route for the seagoing vessels of the day between the Firth of Forth and the Firth of Clyde at the narrowest part of the Scottish Lowlands.

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Foxton Locks

Foxton Locks are ten canal locks consisting of two "staircases" each of five locks, located on the Leicester line of the Grand Union Canal about 5 km west of the Leicestershire town of Market Harborough and are named after the nearby village of Foxton.

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France, officially the French Republic (République française), is a sovereign state whose territory consists of metropolitan France in Western Europe, as well as several overseas regions and territories.

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Francesco I Sforza

Francesco I Sforza (23 July 1401 – 8 March 1466) was an Italian condottiero, the founder of the Sforza dynasty in Milan, Italy, and was the fourth Duke of Milan from 1450 until his death.

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Garston Lock

Garston Lock is a lock on the Kennet and Avon Canal.

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Gas Street Basin

Gas Street Basin is a canal basin in the centre of Birmingham, England, where the Worcester and Birmingham Canal meets the BCN Main Line.

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Gatun Lake

Gatun Lake (Lago Gatún) is a large artificial lake to the south of Colón, Panama.

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George IV of the United Kingdom

George IV (George Augustus Frederick; 12 August 1762 – 26 June 1830) was King of the United Kingdom of Great Britain and Ireland and King of Hanover following the death of his father, King George III, on 29 January 1820, until his own death ten years later.

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Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.

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Gouda, South Holland

Gouda is a city and municipality in the province of South Holland, Netherlands with a population of 72,338.

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Grand Canal (China)

The Grand Canal, known to the Chinese as the Beijing–Hangzhou Grand Canal (Jīng-Háng Dà Yùnhé), a UNESCO World Heritage Site, is the longest as well as one of the oldest canal or artificial river in the world and a famous tourist destination.

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Grand Union Canal

The Grand Union Canal in England is part of the British canal system.

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Grindley Brook

Grindley Brook is a small village in Shropshire, England, on the A41 trunk road around 1.5 miles north west of the market town of Whitchurch.

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Guillotine lock

A guillotine lock is a type of canal lock.

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Hall Green Branch

The Hall Green Branch of the Trent and Mersey Canal is a canal in east Cheshire, England.

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Hanover or Hannover (Hannover), on the River Leine, is the capital and largest city of the German state of Lower Saxony (Niedersachsen), and was once by personal union the family seat of the Hanoverian Kings of the United Kingdom of Great Britain and Ireland, under their title as the dukes of Brunswick-Lüneburg (later described as the Elector of Hanover).

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Hardings Wood Junction

Hardings Wood Junction is a canal junction near Kidsgrove, Staffordshire, England and the point at which the Macclesfield Canal (or, historically, the Hall Green Branch) joins the Trent and Mersey Canal.

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Hérault (river)

The Hérault (Erau) is a river of southern France.

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Hillmorton is a suburb of the town of Rugby, Warwickshire, England, forming much of the eastern half of the town.

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Hollandic Water Line

The Hollandic Water Line (Hollandsche Waterlinie, modern spelling: Hollandse Waterlinie) was a series of water-based defences conceived by Maurice of Nassau in the early 17th century, and realised by his half brother Frederick Henry.

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Huai'an, formerly called Huaiyin until 2001, is a prefecture-level city in central Jiangsu province of Eastern China.

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Hydraulics (from Greek: Υδραυλική) is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids.

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Irtysh River

The Irtysh River (Эрчис мөрөн, Erchis mörön, "erchleh", "twirl"; Иртыш; Ертіс, Ertis, ه‌رتىس; Chinese: 额尔齐斯河, pinyin: É'ěrqísī hé, Xiao'erjing: عَعَرٿِسِ حْ; Uyghur: ئېرتىش, Ertish; ﻴﺋرتئش, Siberian Tatar: Эйәртеш, Eya’rtes’) is a river in Russia, China, and Kazakhstan.

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Italy (Italia), officially the Italian Republic (Repubblica Italiana), is a sovereign state in Europe.

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Jiangsu, formerly romanized as Kiangsu, is an eastern-central coastal province of the People's Republic of China.

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Kazakhstan (Qazaqstan,; kəzɐxˈstan), officially the Republic of Kazakhstan (Qazaqstan Respýblıkasy; Respublika Kazakhstan), is the world's largest landlocked country, and the ninth largest in the world, with an area of.

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Kendal, anciently known as Kirkby in Kendal or Kirkby Kendal, is a market town and civil parish within the South Lakeland District of Cumbria, England.

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Kennet and Avon Canal

The Kennet and Avon Canal is a waterway in southern England with an overall length of, made up of two lengths of navigable river linked by a canal.

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Kidsgrove is a town in the borough of Newcastle-under-Lyme, Staffordshire, England, near the Cheshire border.

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Kiel Canal

The Kiel Canal (Nord-Ostsee-Kanal, literally "North--Baltic Sea canal", formerly known as the Kaiser-Wilhelm-Kanal) is a long freshwater canal in the German state of Schleswig-Holstein.

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Kieldrecht Lock

The Kieldrecht Lock (Dutch: Kieldrechtsluis) is the world's largest lock, taking over this title from the Berendrecht Lock.

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Lancaster Canal

The Lancaster Canal is a canal in North West England, originally planned to run from Westhoughton in Lancashire to Kendal in south Cumbria (historically in Westmorland).

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Leeds and Liverpool Canal

The Leeds and Liverpool Canal is a canal in Northern England, linking the cities of Leeds and Liverpool.

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Lehigh Canal

The Lehigh Canal or the Lehigh Navigation Canal is a navigable canal, beginning at the mouth of Nesquehoning Creek on the Lehigh River in Eastern Pennsylvania.

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Leonardo da Vinci

Leonardo di ser Piero da Vinci (15 April 14522 May 1519), more commonly Leonardo da Vinci or simply Leonardo, was an Italian polymath of the Renaissance, whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.

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Limehouse Basin

The Limehouse Basin in Limehouse, in the London Borough of Tower Hamlets provides a navigable link between the Regent's Canal and the River Thames, through the Limehouse Basin Lock.

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List of locks and dams of the Upper Mississippi River

This is a list of current and former locks and dams of the Upper Mississippi River which ends at the Mississippi River's confluence with the Ohio River at Cairo, Illinois.

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Lock (water navigation)

A lock is a device used for raising and lowering boats, ships and other watercraft between stretches of water of different levels on river and canal waterways.

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Lockport (city), New York

Lockport is a city in Niagara County, New York, United States.

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Macclesfield Canal

The Macclesfield Canal is a canal in east Cheshire, England.

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The Maeslantkering is a storm surge barrier on the Nieuwe Waterweg, Netherlands controlled by a supercomputer.

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Münster (Low German: Mönster; Latin: Monasterium, from the Greek μοναστήριον monastērion, "monastery") is an independent city (Kreisfreie Stadt) in North Rhine-Westphalia, Germany.

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Milan (Milano; Milan) is a city in northern Italy, capital of Lombardy, and the second-most populous city in Italy after Rome, with the city proper having a population of 1,380,873 while its province-level municipality has a population of 3,235,000.

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Milton Keynes

Milton Keynes, locally abbreviated to MK, is a large townAlthough Milton Keynes was specified to be a city in scale and the term "city" is used locally (inter alia to avoid confusion with its constituent towns), formally this title cannot be used.

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Mississippi River

The Mississippi River is the chief river of the second-largest drainage system on the North American continent, second only to the Hudson Bay drainage system.

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Monkey Marsh Lock

Monkey Marsh Lock is a lock on the Kennet and Avon Canal, at Thatcham, Berkshire, England.

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Montgomery Canal

The Montgomery Canal (Camlas Trefaldwyn), known colloquially as "The Monty", is a partially restored canal in Powys, in eastern Wales, and in northwest Shropshire, in western England.

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Napton-on-the-Hill, often referred to locally as just Napton, is a village and civil parish east of Southam in Warwickshire, England.

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Nationalization (or nationalisation) is the process of transforming private assets into public assets by bringing them under the public ownership of a national government or state.

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Navigable aqueduct

Navigable aqueducts (sometimes called water bridges) are bridge structures that carry navigable waterway canals over other rivers, valleys, railways or roads.

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Naviglio di Bereguardo

Situated in Lombardy, Italy, the Naviglio di Bereguardo was a navigable canal, part of the Navigli system.

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The Netherlands (Nederland), often referred to as Holland, is a country located mostly in Western Europe with a population of seventeen million.

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New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

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New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

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New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

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Niagara Escarpment

The Niagara Escarpment is a long escarpment, or cuesta, in the United States and Canada that runs predominantly east/west from New York, through Ontario, Michigan, Wisconsin, and Illinois.

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Nicholson Guides

The Nicholson Guides are a set of books now published jointly by Bartholomew and the Ordnance Survey as guides to the navigable waterways of England and Wales (and, more recently, Scotland).

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An oak is a tree or shrub in the genus Quercus (Latin "oak tree") of the beech family, Fagaceae.

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Ontario is one of the 13 provinces and territories of Canada and is located in east-central Canada.

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Ust-Kamenogorsk (Усть-Каменого́рск) or Oskemen (Өскемен/Öskemen) is the administrative center of East Kazakhstan Region of Kazakhstan.

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Oxford is a city in the South East region of England and the county town of Oxfordshire.

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Oxford Canal

The Oxford Canal is a narrow canal in central England linking Oxford with Bedworth (between Coventry and Nuneaton on the Coventry Canal) via Banbury and Rugby.

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Oxford English Dictionary

The Oxford English Dictionary (OED) is the main historical dictionary of the English language, published by the Oxford University Press.

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Panama Canal

The Panama Canal (Canal de Panamá) is an artificial waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean.

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Panamax and New Panamax (or Neopanamax) are terms for the size limits for ships travelling through the Panama Canal.

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Patent slip

The patent slip or marine railway is an inclined plane extending from shoreline into water, featuring a "cradle" onto which a ship is first floated, and a mechanism to haul the ship, attached to the cradle, out of the water onto a slip.

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Paw Paw Tunnel

The Paw Paw Tunnel is a canal tunnel on the Chesapeake and Ohio Canal (C&O) in Allegany County, Maryland.

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A penstock (fr. conduite forcée) is a sluice or gate or intake structure that controls water flow, or an enclosed pipe that delivers water to hydro turbines and sewerage systems.

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Peterborough Lift Lock

The Peterborough Lift Lock is a boat lift located on the Trent Canal in the city of Peterborough, Ontario, Canada, and is Lock 21 on the Trent-Severn Waterway.

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Peterborough, Ontario

Peterborough is a city on the Otonabee River in Central Ontario, Canada, 125 kilometres (78 mi) northeast of Toronto and about 270 kilometers (167 mi) southwest of Ottawa.

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Pontoon (boat)

A pontoon boat is a flattish boat that relies on pontoons to float.

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Port of Antwerp

The Port of Antwerp in Flanders, Belgium, is a port in the heart of Europe accessible to capesize ships.

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Potomac Company

The Potomac Company (spelled variously as Patowmack, Potowmack, Potowmac, and Compony) was created in 1785 to make improvements to the Potomac River and improve its navigability for commerce.

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Prince regent

A prince regent, or prince-regent, is a prince who rules a monarchy as regent instead of a monarch, e.g., as a result of the Sovereign's incapacity (minority or illness) or absence (remoteness, such as exile or long voyage, or simply no incumbent).

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A pump is a device that moves fluids (liquids or gases), or sometimes slurries, by mechanical action.

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Rack and pinion

A rack and pinion is a type of linear actuator that comprises a pair of gears which convert rotational motion into linear motion.

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Rapids are sections of a river where the river bed has a relatively steep gradient, causing an increase in water velocity and turbulence.

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Regent's Canal

Regent's Canal is a canal across an area just north of central London, England.

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A reservoir (from French réservoir – a "tank") is a storage space for fluids.

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The Rhône (Le Rhône; Rhone; Walliser German: Rotten; Rodano; Rôno; Ròse) is one of the major rivers of Europe and has twice the average discharge of the Loire (which is the longest French river), rising in the Rhône Glacier in the Swiss Alps at the far eastern end of the Swiss canton of Valais, passing through Lake Geneva and running through southeastern France.

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Rhine–Main–Danube Canal

The Rhine–Main–Danube Canal (German: Rhein-Main-Donau-Kanal; also called Main-Danube Canal, RMD Canal or Europa Canal), in Bavaria, Germany, connects the Main and the Danube rivers across the European Watershed, running from Bamberg via Nuremberg to Kelheim.

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Ribble Link

The Millennium Ribble Link is a Linear Water Park and new navigation which links the once-isolated Lancaster Canal in Lancashire, England to the River Ribble.

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A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river.

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River Nene

The River Nene (or: see below) is a river in the east of England that rises from three sources in Northamptonshire.

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River Thames

The River Thames is a river that flows through southern England, most notably through London.

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River Weaver

The River Weaver is a river, navigable in its lower reaches, running in a curving route anti-clockwise across west Cheshire, northern England.

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Rochdale Canal

The Rochdale Canal is a navigable broad canal in Northern England, between Manchester and Sowerby Bridge, part of the connected system of the canals of Great Britain.

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Rotterdam is a city in the Netherlands, in South Holland within the Rhine–Meuse–Scheldt river delta at the North Sea.

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Salmon is the common name for several species of ray-finned fish in the family Salmonidae.

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Science and Civilisation in China

Science and Civilisation in China (1954–) is a series of books initiated and edited by British biochemist, historian and sinologist Joseph Needham, Ph.D (1900–1995).

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Scotland (Alba) is a country that is part of the United Kingdom and covers the northern third of the island of Great Britain.

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The term Seawaymax refers to vessels which are the maximum size that can fit through the canal locks of the St. Lawrence Seaway, linking the inland Great Lakes of North America with the Atlantic Ocean.

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Shannon hydroelectric scheme

The Shannon hydroelectric Scheme was a major development by the Irish Free State in the 1920s to harness the power of the River Shannon.

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Shen Kuo

Shen Kuo (1031–1095), courtesy name Cunzhong (存中) and pseudonym Mengqi (now usually given as Mengxi) Weng (夢溪翁),Yao (2003), 544.

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A ship is a large watercraft that travels the world's oceans and other sufficiently deep waterways, carrying passengers or goods, or in support of specialized missions, such as defense, research and fishing.

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Ship canal

A ship canal is a canal especially intended to accommodate ships used on the oceans, seas or lakes to which it is connected, as opposed to a barge canal intended to carry barges and other vessels specifically designed for river and/or canal navigation.

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Shropshire Union Canal

The Shropshire Union Canal is a navigable canal in England.

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Sir William Congreve, 2nd Baronet

Sir William Congreve, 2nd Baronet KCH FRS (20 May 1772 – 16 May 1828) was an English inventor and rocket artillery pioneer distinguished for his development and deployment of Congreve rockets, and a Tory Member of Parliament (MP).

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A slipway, also known as boat ramp or launch or ‘’’boat deployer’’’, is a ramp on the shore by which ships or boats can be moved to and from the water.

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A sluice (from the Dutch "sluis") is a water channel controlled at its head by a gate.

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Snakeholme Lock

Snakeholme Lock is a brick chamber canal lock on the Driffield Navigation, in the East Riding of Yorkshire, England.

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Somerset Coal Canal

The Somerset Coal Canal (originally known as the Somersetshire Coal Canal) was a narrow canal in England, built around 1800.

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Song dynasty

The Song dynasty (960–1279) was an era of Chinese history that began in 960 and continued until 1279.

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Staffordshire and Worcestershire Canal

The Staffordshire and Worcestershire Canal is a navigable narrow canal in Staffordshire and Worcestershire in the English Midlands.

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Steel is an alloy of iron and carbon and other elements.

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Stratford-upon-Avon Canal

The Stratford-upon-Avon Canal is a canal in the south Midlands of England.

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Strépy-Thieu boat lift

The Strépy-Thieu boat lift (L'ascenseur funiculaire de Strépy-Thieu) lies on a branch of the Canal du Centre in the municipality of Le Rœulx, Hainaut, Belgium.

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Struncheon Hill Lock

Struncheon Hill Lock was built as a later addition to the Driffield Navigation in the East Riding of Yorkshire, England.

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"Suezmax" is a naval architecture term for the largest ship measurements capable of transiting the Suez Canal in a laden condition, and is almost exclusively used in reference to tankers.

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Thames Barrier

The Thames Barrier prevents the floodplain of most of Greater London from being flooded by exceptionally high tides and storm surges moving up from the North Sea.

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Three Gorges Dam

The Three Gorges Dam is a hydroelectric gravity dam that spans the Yangtze River by the town of Sandouping, in Yiling District, Yichang, Hubei province, China.

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Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of Earth.

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Transshipment or transhipment is the shipment of goods or containers to an intermediate destination, then to yet another destination.

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Trent and Mersey Canal

The Trent and Mersey Canal is a in the East Midlands, West Midlands, and north-west of England.

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Trent–Severn Waterway

The Trent–Severn Waterway is a -long canal route connecting Lake Ontario at Trenton to Georgian Bay at Port Severn.

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Trout is the common name for a number of species of freshwater fish belonging to the genera Oncorhynchus, Salmo and Salvelinus, all of the subfamily Salmoninae of the family Salmonidae.

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Tuel Lane Lock

Tuel Lane Lock is a canal lock, situated on the Rochdale Canal in Sowerby Bridge.

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A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end.

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Twenty-Four Histories

The Twenty-Four Histories, also known as the Orthodox Histories are the Chinese official historical books covering a period from 3000 BC to the Ming dynasty in the 17th century.

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Union Canal (Scotland)

The Union Canal, full name the Edinburgh and Glasgow Union Canal is a canal in Scotland, running from Falkirk to Edinburgh, constructed to bring minerals, especially coal, to the capital.

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United States

The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.

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Vreeswijk is a former village and municipality in the Dutch province of Utrecht.

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Water slope

A water slope (Pente d'eau) is a type of canal inclined plane built to carry boats from a canal or river at one elevation up to or down to a canal or river at another elevation.

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Watercraft or marine vessel are water-borne vehicles including ships, boats, hovercraft and submarines.

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A waterway is any navigable body of water.

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Watford Locks

Watford Locks is a group of seven locks on the Leicester Line of the Grand Union Canal, in Northamptonshire, England, famous for the Watford Gap service area.

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Weigh lock

A weigh lock on the Lehigh Canal around 1873 A weigh lock is a specialized canal lock designed to determine the weight of barges in order to assess toll payments based upon the weight and value of the cargo carried.

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A weir or low head dam is a barrier across the horizontal width of a river that alters the flow characteristics of water and usually results in a change in the height of the river level.

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The windlass is an apparatus for moving heavy weights.

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Worcester and Birmingham Canal

The Worcester and Birmingham Canal is a canal linking Birmingham and Worcester in England.

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Xi River

The Xi River is the western tributary of the Pearl River in China.

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The Yangtze, which is 6,380 km (3,964 miles) long, is the longest river in Asia and the third-longest in the world.

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2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

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2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

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Canal Lock, Canal lock, Canal locks, Dock gate, Drop lock, Gate (water transport), Lock (canal), Lock (river), Lock (ship), Lock (water transport), Lock (water), Lock (waterwat transport), Lock (waterway), Lock and dam, Lock chamber, Lock flight, Lock gate, Lock gates, Lock navigation, Lock-chambers, Locks (canal), Locks (water transport), Mitre gate, Navigation lock, Pound lock, Sea lock, Shaft lock, Ship lock, Ship locks, Shiplock, Shipping lock, Sluse, Sluser, Staircase lock, Staircase locks, Staunch, Stop lock, Twin lock.


[1] https://en.wikipedia.org/wiki/Lock_(water_navigation)

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