Ключевые слова: abstract, abstraction, age, background, bark, beam, bring down, brown, buildup, carpenter, century, chop, circle, clear up, concentric, condition, crosssection, cut, dead, detail, disk, era, fabric, fell, figure, forest, generation, grow old, history, important, industry, knock down, lag, larch, life, line, log, log house, lumber, macro, material, matter, natural, nature, oak, old, part, parting, pop up, ring, rings, share, slice, striped, structure, stump, substance, subtlety, surface, texture, textured, timber, time, tree, trunk, wood, wood material, wooden, years,