| Answer | Crossword Clue |
|---|---|
| DAMPERS | Valves in furnace flues. |
| DAMPERS | Furnace valves. |
| Answer | Crossword Clue |
|---|---|
| DAMPERS | Valves in furnace flues. |
| DAMPERS | Furnace valves. |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.