Ключевые слова: background, brown, cold, concentric, construction, cut, day, ecology, energy, environment, firewood, forest, forestry, fuel, group, hardwood, heap, industry, log, logging, lumber, many, material, natural, nature, nobody, object, outdoor, pile, power, raw, rural, snow, snowy, stack, stacked, texture, timber, tree, trunk, winter, wood, wooden, woodpile,