9 relations: A21, Inc., Aero A.21, Aquatic communities in the British National Vegetation Classification system, Arrows A21, English Opening, Focke-Wulf A 17, List of A21 roads, Stearman XA-21, The A21 Campaign.
A21, Inc. (stylized as a21) aggregates visual content from photographers, photography agencies, archives, libraries, and private collections; and licenses that content for its customers.
The Aero A.21 was a biplane military trainer aircraft developed in Czechoslovakia from the Aero A.11 reconnaissance-bomber.
This article gives an overview of the aquatic communities in the British National Vegetation Classification system.
The Arrows A21 was the car with which the Arrows Formula One team competed in the 2000 Formula One season.
The English Opening is a chess opening that begins with the move: A flank opening, it is the fourth most popular and, according to various databases, anywhere from one of the two most successful to the fourth most successful of White's twenty possible first moves.
The Focke-Wulf A 17 Möwe (German: "Gull") was an airliner built in Germany in the late 1920s.
This is a list of roads designated A21.
The Stearman XA-21 (Model X-100) was a competitor in a United States Army Air Corps competition for a twin-engined attack aircraft which (after redesigns) led to the Douglas A-20 Havoc, Martin A-22 Maryland and North American B-25 Mitchell.
The A21 Campaign (commonly referred to as "A21") is an Australia-based 501(c)(3) non-profit, non-governmental organization that works to fight human trafficking, including sexual exploitation & trafficking, forced slave labor, bonded labor, involuntary domestic servitude, and child soldiery.