Ключевые слова: abstract, age, agriculture, annual ring, aspen, aspen tree, backdrop, background, bark, biomass, board, brothers, brown, build, cells, cellulose, circular, close up, closeup, concentric, core, crack, cross, cut, cypress, deforestation, design, detail, dry, element, energy, environment, fire, firewood, forest, fuel, gemini, generation, geometric, geometry, golden, golden ring, grain, hard, hardwood, heat, history, industry, life, life ring, log, lumber, macro, maple, maple wood texture, material, natural, nature, nobody, oak, old, old wood texture, part, pattern, pine, plank, poplar, radiating, ring, rough, rural, seasoned, section, shard, sister and brother, slice, split, stump, texture, textured, timber, tree, tree top view, trunk, twin, two, two logs, two tree trunk, village, warm, wood, wood grain, wooden, woodworking, years, yellow,