Labels:text | screenshot | cartoon | letter | illustration OCR: STARTING GUN STARTING GUN uses the explosive A production of gas to make a loud bang. A cartridge placed in the barrel contains an explosive charge. Striking a detonator with the firing pin ignites the charge, releasing Flare Gun CARTRIDGE stored chemical energy. The expanding gases from the explosion send a shock wave FIRING through the air. Racers hear this shock wave PIN as a loud bang, and start their race. EXPLOSIVE DETONATOR Ready Steady Go! SEE ALSO
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