In essence, gears are just circles with enamel connecting them. A gear transmits a circular motion among two different shafts by rotating and meshing with An additional equipment on another shaft. Gears appear in many different sizes and shapes, such as spur equipment, helical equipment, bevel gear, and worm equipment. https://lukasrspkf.sharebyblog.com/33974662/automobile-gearbox-an-overview