Ключевые слова: background, circle, circular, closeup, coil, construction, engineering, equipment, fabrication, factory, galvanized, heavy, industrial, industry, inside, iron, ironworks, line, machine, machinery, manufacture, manufacturing, material, metal, metallic, metalroll, metalwork, pipe, plant, power, process, processed, production, profiling, reel, roll, round, shape, silver, spool, stack, stainless, steel, technology, tool, warehouse, wire, work, zinc,