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A spark plug ...
Ignites the fuel and air mixture to create energy Injects the fuel Supplys the engine with energy Injects air into the intake valve
4 Unusual Road Signs to Know Before Your Driver's Exam
These weird road signs can appear on your driving exam!
driving-quiz.com
5 Things They Don't Teach You in Driver's Ed Class
Ease those driving test nerves with these driving test tips to help you pass!
driving-quiz.com
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