| Answer | Crossword Clue |
|---|---|
| INHALER | Apparatus for filtering air. |
| AEROSCOPE | Apparatus for collecting dust suspended in air. |
| GASMASKS | Air-filtering devices |
| Answer | Crossword Clue |
|---|---|
| INHALER | Apparatus for filtering air. |
| AEROSCOPE | Apparatus for collecting dust suspended in air. |
| GASMASKS | Air-filtering devices |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.