Across
- 1. blackwater
- 5. cut off valves normally located at the entrance of each of the rooms with plumbing
- 6. horizontal pipes that distribute the water around each floor.
- 8. water collected from rain
- 9. vertical pipes that collect wastewater from the branch lines
Down
- 2. vertical pipes that raise the water to the floors.
- 3. are large-diameter tubes that connect the toilets directly to the drainpipes
- 4. endpoints that connect the fixtures with the plumbing
- 7. a shallow trough fixed beneath the edge of a roof for carrying off rainwater