Ключевые слова: annual ring, background, bole, botany, cambium, circle, close up, construction, cross, cross section, cut, cut down, deforestation, environment, firewood, flora, forest, forest management, fuel, growth rings, heart wood, heating, hewer, industry, inside, log, lumber, lumberjack, manufacturing, material, natural, nature, pile, resources, ring, round, sawmill, section, shoulder, stack, stump, texture, textured, timber, transportation, tree, trunk, wood, wooden, woods,