Ключевые слова: background, biomass, brown, burn, chips, chopped, conifer, crack, cracks, cut, energy, environment, felling, fire, fireplace, firewood, forest, forestry, fuel, grain, green, heat, highlands, industry, jack, log, lumber, lumberjack, material, natural, nature, outdoor, pile, pine, place, recycle, sale, sectionk, sell, side, stack, timber, traditional, tree, trunk, wild, winter, wood, wooden,