| Answer | Crossword Clue |
|---|---|
| EVAPORATOR | Device that turns liquid to gas |
| valve | to provide with a device for controlling the flow of a liquid or gas |
| filtering | Pass (a liquid, gas, light, or sound) through a device to remove unwanted material |
| filtered | Pass (a liquid, gas, light, or sound) through a device to remove unwanted material |
| valving | VALVE, to provide with a device for controlling the flow of a liquid or gas |
| trap | device for drains or sewers consisting of a bend or partitioned chamber in which the liquid forms a seal to prevent the passage of sewer gas |
