Ключевые слова: abstract, backgrounds, bark, black color, blue, brown, circle, closeup, color image, colors, cross section, cutting, energy, environment, equipment, firewood, forest, fuel and power generation, full frame, group of objects, hardwood, heap, industry, large group of objects, log, lumber industry, macro, material, nature, no people, objects, old, outdoors, pattern, pine, pine tree, plank, rough, rural scene, stack, textured, textured effect, timber, tree, tree ring, tree trunk, white, wood material, woodland, woodpile,