Ключевые слова: abstract, background, bioenergetics, biol, biomass, brown, chip, close, closeup, design, detail, element, energy, fire, fuel, garden, gardening, ground, landscape, landscaping, litter, lumber, macro, material, mulch, natural, nature, organic, outdoor, outside, park, pattern, piece, pine, red, shaving, shavings, shredded, small, splinter, surface, texture, tile, tiling, timber, torn, tree, wood, woodcut, wooden,