Ключевые слова: abstract, across, age, annual rings, background, bark, brown, building material, butt, closeup, coniferous, cracks, crosssection, cut, deciduous, dendrology, destroyed, ecology, felling, fiber, flora, forest, growth, growth rings, hardwood, life, lines, loft, log, material, nature, old, pattern, plant, ring, rough, sawn, section, stump, surface, texture, textured surface, timber, tree, tree section, trunk, wood, wood texture, woodcutter, years,