In essence, gears are only circles with teeth connecting them. A gear transmits a circular movement between two distinct shafts by rotating and meshing with another equipment on one other shaft. Gears come in many different styles and sizes, such as spur gear, helical gear, bevel equipment, and worm gear. https://eduardoovywu.ziblogs.com/34257165/5-simple-techniques-for-automobile-gearbox