Ключевые слова: background, biomass, botany, carpentry, closeup, construction material, cross section, cutting, deforestation, electric saw, environment, environmental damage, environmental issues, fallen tree, firewood, forest, forestry, group, hardwood, heap, industry, landscape, log, lumber industry, lumberyard, manufacturing, mountain, natures, pinaceae, pine, pine wood, pine woodland, plant, sawing, sky, stack, stacked, stacks, sunbeams, sustainable resources, timber, timbering, tree, tree trunk, trunk, wood, wooden, woodland, woodpile, zero waste,