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An assembly of lights oriented in two vertical columns. Used near the starting line of drag racing and CO2 racing to signal the start of the race.
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A computer-interfaced machine used for shaping processes. Sequences of cutting tool movements are controlled by a variable computer program. CNC stands for computer numerical control.
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A small, sealed, metal tube that contains compressed carbon dioxide. CO2 cartridges are used to propel racecars down the track.
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Restricted to a limited space. In the same way a prisoner is confined in a jail cell, carbon dioxide is confined in a sealed cartridge.
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A small hand-held saw with a narrow blade, useful for making curved cuts in wood. Good for rough shaping racecar bodies if a band saw is unavailable.
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