Ключевые слова: abstract, annual, annual ring, background, bark, billet, brown, butt, center, circle, clearing, close up, crack, cut, cycle, dry, fibers, forest, grunge, history, industry, invoice, life, log, lumber, macro, material, natural, nature, old, pattern, plant, present, ring, rings, rough, sample, section, slice, structure, stump, surface, texture, textured, timber, tree, trunk, wood, wooden, yellow,