@viralmoments35: How a Gas Pump Knows Your Car is Full! We reveal the ingenious mechanics behind gas pumps, explaining how they prevent overfilling. Discover the magic of ball bearings, valves, and vacuum pressure working in sync. Our goal is to help you understand the simple yet effective process and have a better experience at the gas station. #GasPump #HowItWorks #CarMaintenance #FuelingUp #CarTips #MechanicsExplained #Engineering #Automotive #Vacuum #GasStationHacks