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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.) |
spar: 37 phrases in 4 subjects |
Agriculture | 1 |
Forestry | 32 |
Natural resourses and wildlife conservation | 1 |
Natural sciences | 3 |