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Lumber is freshly sawn or dried in a dryer of pine, ash, alder, maple, oak, birch, fir, hornbeam, namely: - edged and unedged boards (25, 30, 35, 40, 50, etc.), the length is 2 to 6 m; - timber (40x40, 50x50, 60x60, etc.), the length is 2 to 6 m; - ruff trusses with length from 2 to 6 m. Dimensions may vary according t
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