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There are 4 entries in the glossary.| Pages: 1 |
| Lavatory (Lav) | A fixed bowl or basin with running water and drainage for washing. Bathroom sink. |
| Leach Field | Porous soil area, through which septic tank leach lines run, emptying the treated waste. |
| Leader | Pipe carrying rainwater to the ground or sewer. |
| Lock Nut | Nut fitted into a piece of pipe and screwed onto another pipe to join the two pieces. |
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