Ключевые слова: aluminum, angle, architecture, bar, beams, box, building, channel, closeup, construction, corrosion, fabrication, factories, factory, ferrous, fittings, girder, group, heap, heavy, industrial, industry, iron, joist, manufacture, manufacturing, material, metal, metallic, metallurgy, pile, pipeline, plant, production, reinforcement, reinforcing, rolled, rust, shape, shiny, stainless, steel, storehouse, structure, technology, tough, trough, warehouse,