In essence, gears are merely circles with tooth connecting them. A equipment transmits a circular motion among two different shafts by rotating and meshing with Yet another gear on another shaft. Gears come in many different shapes and sizes, including spur gear, helical gear, bevel gear, and worm gear. https://gearbox75296.like-blogs.com/33592242/the-5-second-trick-for-gearbox