Ключевые слова: abstract, age, aging, annual, background, bark, brown, circle, close up, closeup, concentric, cracked, cross, cut, cutting, detail, environment, environmental, firewood, forest, growth, hardwood, industry, log, lumber, lumber jack, material, natural, nature, old, organic, part, pattern, plant, ring, rough, saw, saw cut, sawed, section, slice, stem, stump, surface, texture, textured, timber, tree, tree feller, tree trunk, trunk, wood, wood cutter, wooden, years,