Ten-pin bowling regulations, identification letters and numbers, and general wear from normal use. For much of the history of bowling, bowling balls were made using a three-piece construction method. Starting in the mid-1990s, however, most manufacturers switched to a two-piece method. In response to these innovative ball designs, the American Bowling Congress placed further restrictions on the technical characteristics of the ball such as the radius of gyration and hooking potential. A game of bowling consists of ten frames. In each frame, the bowler will have two chances to knock down as many pins as possible with their bowling ball. In games
Ten-pin bowling two extra balls for achieving a strike in the tenth frame, or one extra ball for achieving a spare. This allows for a potential of 12 strikes in a single game, and a maximum score of 300 pins, a perfect game. The player with the highest pinfall at the end of ten frames wins. Although, if there is a time limit and if time runs out before the end of ten frames bowling stops, and the person with the highest pinfall wins the game. In general, one point is scored for each pin that is knocked over. So if a