| Answer | Crossword Clue |
|---|---|
| humidifier | a device for supplying or maintaining humidity |
| humidifiers | HUMIDIFIER, a device for supplying or maintaining humidity |
| gyrostabilizers | A gyroscopic device for maintaining the equilibrium of something such as a ship, aircraft, or platform |
| gyrostabilizer | A gyroscopic device for maintaining the equilibrium of something such as a ship, aircraft, or platform |
| stoker | mechanical device for supplying coal or other solid fuel to a furnace |
| stokers | A mechanical device for supplying fuel to a firebox or furnace, esp. on a steam locomotive |
