Related Clues:
- ______ pump
- Transverse drain
- Crankcase reservoir
- __ pump: waste disposal device
- Waste reservoir
- Drainage pit
- Water collector
- ___ pump (drainage aid)
- ___ pump (plumbing device)
- ____ pump
- Cesspit
- It receives the engine oil
- Tunnelled drain for water
- Drain that crosses under a road or path
- Enclosed drain under a road or railway