| Answer | Crossword Clue |
|---|---|
| MAIN | Principal water system conduit |
| SEWERAGE | Conduit system |
| DUCT | Heating system conduit |
| Answer | Crossword Clue |
|---|---|
| MAIN | Principal water system conduit |
| SEWERAGE | Conduit system |
| DUCT | Heating system conduit |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.