Gears
Parallel Shaft Gears Types :
Spur Gear / Internal gear / Helical Gear / Gear Rack
Intersecting Shaft Gears Types:
Straight Bevel Gear / Spiral Bevel Gear / Miter Gear / Face Gear
Non-parallel and Non-intersecting Shaft Gears Types:
Worm gear / Hypoid Bevel Gear / Screw Gear