Modern-day automobiles use helical gears and synchromesh equipment within the gearboxes, that synchronize the rotation of gears which might be about to mesh. This removes clashing of your gears and will make equipment shifting simpler. In basic terms, two different gears are hooked up to input and output shafts https://danterzdhk.blogoxo.com/33954187/getting-my-gearbox-to-work