gear - grav
- gear
- gear and pinion
- gear axis
- gear blank
- gear box
- gear brake
- gear broaching machine
- gear cable
- gear case
- gear chamfering and deburring machine
- gear change
- gear change cable
- gear cluster
- gear compressor
- gear cone
- gear cutter
- gear cutting
- gear cutting machine
- gear down
- gear downshift
- gear drive
- gear error
- gear gauge
- gear generating grinding machine
- gear generating shaper cutter
- gear geometry
- gear grinding
- gear grinding machine
- gear hob
- gear hobbing
- gear hobbing machine
- gear honing machine
- gear knob
- gear lapping machine
- gear leather
- gear lever
- gear lubrication
- gear manufacturing
- gear manufacturing machine
- gear milling
