That is enclosed inside a metallic box called a gearbox. The motor vehicle pace can be altered with the help on the transmission keeping the engine velocity exactly the same with a particular limit. Automatic gearboxes appeared commercially in the forties, according to the Global Journal of Automobile Layout, and https://automobilegearbox07384.verybigblog.com/33342557/the-5-second-trick-for-automobile-gearbox