Venues and equipment 1. The golf course should be a rectangle of 27 feet (8.23 meters) wide by 78 feet (23.77 meters) wide. In the middle by a hanging on the maximum diameter of 1/3 inch (0.8 cm) thick rope or wire rope on the net to separate. The doubles are 10.97 meters wide. 2. The maximum diameter of the net ropes or wire rope is 1 / inch (0.8 cm). The ends of the net should be attached or hung at the top of the two struts. The midpoint of each column shall be 3 feet (0.914 m ), The height of the netting shall be such that the vertical distance of the top of the rope or wire rope from the ground is 3 feet 6 inches (1.07 meters). The height of the midpoint of the net should be 3 feet (0.914 meters) and be stretched tightly with a full white belt that is no more than 2 inches (5 cm) wide. The net rope or wire rope at the top of the net is wrapped with a white mesh strap. 3. Stadium line at both ends of the line called the bottom line, both sides of the boundary line called the sideline. Take a line parallel to the net at 21 feet (6.4 meters) from both sides of the net. Each of the bottom lines is divided into two equal parts by a hypothetical extension of a 4-inch (10 cm), 2-inch (5 cm) serve centerline, separated by a short line, which is the "midpoint" The width of all other lines should be between 1 inch (2 cm) and 2 inches (5 cm), except for the maximum width of the bottom line of not more than 4 inches (10 cm). All measurements should be based on the outer edge of the line. After each end line should leave no less than 6.40m of the room, in each edge should be left behind not less than 3.66m. 4. Permanent fixed tennis field permanent fixed objects not only include the net, net posts, singles pole, rope, wire rope, center belt and mesh belt, the following situation can be considered permanent fixed objects, such as the four sides of the stadium The stands, the chairs that are fixed or movable around the stadium, as well as the audience, as well as the facilities around and around the site, as well as the referees for the respective locations, the battalions, the errata, the officers and the caddy. If the ad is behind a chair in the back of the stadium, the ad can not include white or yellow. Light-colored only in the case does not interfere with the player's eyes allowed to use Tennis ball manufacturers, Tennis ball wholesale, Tennis balls suppliers, Customized www.tennis-ball-manufacturers.com
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