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| roofing tree, common rafter; spar, rafter, common rafter, roof tree; rib (if curved); spruce (picea) | |||
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| spruce (Picea Dietr.spec.) | |||
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spar : 37 phrases in 4 subjects |
| Agriculture | 1 |
| Forestry | 32 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 3 |