Ключевые слова: 6112, aging, ancient, annualring, annualrings, annulus, bark, beige, break, brown, choppeddown, circle, circular, concentric, construction, crust, cycle, diameter, disk, ecology, firewood, flat, forest, forestry, history, industry, intersection, life, log, moss, nature, old, organic, oval, pattern, pine, ring, rings, structure, stump, surface, texture, textured, timber, time, tree, treering, trunk, wood, years,