In essence, gears are just circles with teeth connecting them. A equipment transmits a circular motion between two different shafts by rotating and meshing with A further equipment on another shaft. Gears come in many different styles and sizes, including spur gear, helical gear, bevel gear, and worm equipment. https://gearbox10741.blogofchange.com/34375620/the-5-second-trick-for-gearbox