The bicycle pedal is the part of a bicycle that the rider pushes with their foot to propel the bicycle.
A crank is an arm attached at a right angle to a rotating shaft by which reciprocating motion is imparted to or received from the shaft.
In electrical engineering, electric machine is a general term for machines using electromagnetic forces, such as electric motors, electric generators, and others.
A loom is a device used to weave cloth and tapestry.
A pole lathe is a wood-turning lathe that uses a long pole as a return spring for a treadle.
A pump is a device that moves fluids (liquids or gases), or sometimes slurries, by mechanical action.
A sewing machine is a machine used to stitch fabric and other materials together with thread.
A treadle bicycle is a bicycle powered by a treadle instead of the more common crank.
A treadle pump is a human-powered suction pump that sits on top of a well and is used for irrigation.
A treadmill is a device generally for walking or running or climbing while staying in the same place.
A treadwheel, or treadmill, is a form of engine typically powered by humans.
A working animal is an animal, usually domesticated, that is kept by humans and trained to perform tasks.