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| Term | Description |
|---|---|
| Joist | Any of the small timbers, metal or wood beams arranged parallel to one another and spanning from wall to wall to support a floor, ceiling or roof of a building. |
| Term | Description |
|---|---|
| Joist | Any of the small timbers, metal or wood beams arranged parallel to one another and spanning from wall to wall to support a floor, ceiling or roof of a building. |