| Answer | Crossword Clue |
|---|---|
| leader | pipe for conveying rain water downward; downspout |
| leaders | pipe for conveying rain water downward; downspout |
| aqueduct | a pipe or channel for conveying water |
| aqueducts | AQUEDUCT, a pipe or channel for conveying water |
| waterline | pipe, hose, tube, or other line for conveying water |
| flues | pipe for conveying flame and hot gases around or through water in a steam boiler |
| flue | pipe for conveying flame and hot gases around or through water in a steam boiler |
