Ключевые слова: abstract, aging, annual, background, bark, brown, circle, concentric, cross, cut, detail, forest, growth, industry, line, log, lumber, material, natural, nature, oak, old, organic, part, pattern, plank, plant, ring, rings, rough, round, section, shape, slice, striped, stump, surface, texture, textured, timber, tree, trunk, weathered, wood, wooden, years,