Ключевые слова: abstract, bind, brown, bundle, concrete, construct, decor, details, dirty, dirty pipes, effect, engineering shop, environment, fence, fence background, flow, forge, foundry, heavy, hole, industrial, industry, inventory, iron, line, long steel pipes, material, metal pipes, metallurgy, old, old pipes, parallel, pattern, pipe, pipes closeup, piping, pumping, reinforced, rod, round, rust, rusted, rusty, stack, steel, structure, tube, up,