| Answer | Crossword Clue |
|---|---|
| UTRAP | Type of drain pipe |
| OFFLET | Drain pipe. |
| unblocking | Remove an obstruction from (something, esp. a pipe or drain) |
| unblock | Remove an obstruction from (something, esp. a pipe or drain) |
| unblocks | Remove an obstruction from (something, esp. a pipe or drain) |
| unblocked | Remove an obstruction from (something, esp. a pipe or drain) |
| downspouts | A pipe to carry rainwater from a roof to a drain or to ground level |
| downspout | A pipe to carry rainwater from a roof to a drain or to ground level |
