Ключевые слова: annual rings, branch, branch wood, branches, building material, chimney wood, clear, clearing, co2, cross section, ecologically, ecology, environment, fell, firewood, foliage, forest work, forestry, fuel, grain, growing again, heaps, material, natural product, nature, pile, processing, raw material, round timber, saw, stacked, stratifiedly, tree, trunk, trunks, wood, wooden industry, wooden production, woods,