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The ABC initially used bowling balls made of Lignum vitae hardwood from the Caribbean, which were eventually supplanted by the "Evertrue" rubber bowling ball, and the Brunswick "Mineralite" rubber ball [35] by 1905. [36] Columbia Industries, founded in 1960, was the first manufacturer to successfully use polyester resin ("plastic") in bowling ...
Current Frame Scoring System: An alternate scoring system (most recently used in the World Bowling Tour finals) in which any strike is counted as 30 pins, while a spare is counted as 10 pins plus the first ball count in the current frame (example: 8 pins followed by a spare is scored as 18). Open frames count total pinfall in the frame only, as ...
Ten-pin bowling is a type of bowling in which a bowler rolls a bowling ball down a wood or synthetic lane toward ten pins positioned evenly in four rows in an equilateral triangle. The goal is to knock down all ten pins on the first roll of the ball (a strike), or failing that, on the second roll (a spare). While most people approach modern ten ...
Bowling pins are constructed by gluing blocks of rock maple wood into the approximate shape, and then turning on a lathe. After the lathe shapes the pin, it is coated with a plastic material, painted, and covered with a glossy finish. Because of the scarcity of suitable wood, bowling pins can be made from approved synthetics.
Also, the lanes used in the scoring were shut down after the last game of the day was completed. The official then used a tape reader to test the oil condition, to make sure it met the organization's regulations. The data was then sent to the certifying body, and the score received a certification decision a few days to a few weeks later.
The ball used in candlepins has a maximum weight of 2 lb 7 oz (1.1 kg), and has a diameter of 4.5 in (11 cm), [1] making it the smallest bowling ball of any North American bowling sport. The nearly identical weight of the ball, when compared to that of just one candlepin 2 lb 8 oz (1.1 kg), [ 1 ] causes balls to deflect when impacting either ...
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