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Most distances on a football field are expressed in terms of yards. The goal lines span the width of the field and run 10 yards (9.1 m) parallel to each end line. The 100 yards between the goal lines where most gameplay occurs is officially called the field of play in the NFL rulebook. Additional lines span the width of the field at 5-yard ...
In American football and Canadian football, the hash marks are two rows of lines near the middle of the field that are parallel to the side lines.These small lines (4 in [10 cm] wide by 2 ft [61 cm] long) are used to mark the 1-yard sections between each of the 5-yard lines, which go from sideline to sideline.
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The technical area in association football is the area at the side of the pitch which the teams' managers, other coaching personnel, and substitutes are allowed to occupy during a match. [1] The technical area usually includes a seated area referred to as the "dugout" or "bench" as well as a marked zone in front of it and adjacent to the pitch. [1]
Basic line marking machines for turf were available by the late 1800s. [1]: 40 They were originally developed for use on lawn tennis courts.[1]: 40 One of the first such machines, a wheel-to-wheel paint transfer device, was developed by F.H. Ayres and "would be instantly recognizable by users of many of today's machines, which work on the same principle".
In association football, channels is the name given to certain areas of the pitch, created by the space between players and groups of players. There are two types of channels, vertical (between full backs and their closest centre back), and horizontal (between defence, midfield, and attack).
Gridiron football (/ ˈ ɡ r ɪ d aɪ. ər n / GRID-eye-ərn), [1] also known as North American football, [2] or in North America as simply football, is a family of team sports derived from rugby football (and football, by extension) primarily played in the United States and Canada.