Ключевые слова: 23, alternative, background, billet, blocks, brown, chimney, chop, country, cut, deforestation, detail, energies, energy, environment, environmental, fire, firewood, forest, form, fuel, fuelwood, heap, log, logging, lot, lumber, macro, many, material, natural, nature, pile, protection, renewable, resource, rural, sawn, split, stack, storage, texture, timber, tree, wood, wooden,