Ключевые слова: background, bark, biomass, blue, bottom, brown, chop, cloud, cut, deforestation, detail, down, ecology, energy, environment, felled, felling, firewood, flora, forest, forestry, fuel, green, hardwood, heap, industry, logs, lumber, material, natural, nature, pile, pine, plants, primary, products, resource, rural, section, stack, timber, tree, trees, trunk, wall, wood, wooden, woodland, woodpile, workable,