| Answer | Crossword Clue |
|---|---|
| COGS | Machine gear parts |
| gears | GEAR, to provide with gears (toothed machine parts) |
| COG | Machine gear |
| selector | A device for selecting a particular gear or other setting of a machine or device |
| selectors | A device for selecting a particular gear or other setting of a machine or device |
| TEETH | Gear parts |
| COGS | Gear parts |
| RODS | Steering gear parts. |
| AXLES | Parts of running gear. |
| TAPPETS | Parts of a valve gear. |
