Ключевые слова: abstract, background, bar, black, brown, build, closeup, construction, design, detail, equipment, group, hardwood, heap, industry, infrastructure, iron, line, log, material, metal, natural, nature, old, pattern, pile, plank, plant, rail, railroad, railway, rusty, sleeper, sleepers, stack, stacked, steel, surface, texture, tie, ties, timber, track, traffic, train, transportation, used, way, wood, wooden,