Ключевые слова: area, arranging, big, black, business, diameter, engineering, factory, ferrous, finished products, foundry, gasolines, goods, heap, indoors, industrial, industry, inside, iron, large, line, loading, manufacture, metal, metallurgical, metallurgy, mill, objects, pile, pipe molding, pipe welding, pipelines, pipes, plant, production, roll, rolling, rolling mill, row, seamless, shop, shopfloor, stack, stainless, steel, storage, technology, warehouse, works, workshop,