Ключевые слова: blue, chain saw, cloud, commodity, construction, cut, down, energy, environmental, feller, felling, firewood, forest, forestry, fur, grass, heat, heating, industrial, laboratory, log, logging, machine, nature, outside, pile, pine, pollution, reserve, resource, root, rustic, save, savings, saw, sawed, sawn, scotland, sky, snow, stack, timber, timbering, tree, trousers, trunk, warmth, winter, wood, wooden, woodpile, work, workwear,