Ключевые слова: alternative, background, bark, biomass, branch, branches, broken, brown, bushes, chipper, chipping, chips, chop, closeup, combustion, cut, dry, ecology, energy, firewood, fuel, garden, lumber, material, mulch, natural, nature, organic, outdoor, outdoors, pattern, preparation, production, recycle, renewable, shred, shredded, small, stack, surface, texture, textured, timber, trees, waste, wood, wooden,