Ключевые слова: aluminum, bar, bunch, bundle, chrome, circle, concrete, construction, corrosion, cylinder, durable, equipment, factory, ferrous, girder, group, heap, heavy, industrial, industry, iron, joist, manufacture, material, materials, metal, metallic, objects, old, pile, pipe, pipeline, pipes, plant, plate, rod, rough, rust, rusty, sheaf, shelf, stack, stainless, steel, storehouse, technological, technology, tube, warehouse,