| sill(noun, shaft, timber, rafter, girder) |
| spar(noun, shaft, timber, rafter, girder) |
| sparkle(noun, bar, glow, shaft, timber) |
| stanchion(noun, shaft, timber, rafter, girder) |
| stay(noun, shaft, timber, rafter, girder) |
| streak(noun, bar, glow, shaft, timber) |
| stream(noun, bar, glow, shaft, timber) |
| stringer(noun, shaft, timber, rafter, girder) |
| strip(noun, shaft, timber, rafter, girder) |
| strut(noun, shaft, timber, rafter, girder) |
| stud(noun, shaft, timber, rafter, girder) |
| transverse(noun, shaft, timber, rafter, girder) |
| trestle(noun, shaft, timber, rafter, girder) |
| twinkle(noun, bar, glow, shaft, timber) |
| two-by-four(noun, shaft, timber, rafter, girder) |
| type of light(expression, idiom) |
| type of surgery(expression, idiom) |
| glow(noun, bar, shaft, timber, rafter) |
| RSJ(noun, shaft, timber, rafter, girder) |
| bail(noun, shaft, timber, rafter, girder) |