Ключевые слова: abstract, architecture, background, bar, building, bunch, bundle, cement, closeup, concrete, construct, construction, corroded, corrosion, equipment, factory, group, heap, heavy, industrial, industry, iron, ironwork, line, manufacturing, material, metal, metallurgy, new, old, pattern, pile, production, rail, rebar, reinforced, reinforcement, rod, rough, rust, rusted, stack, steel, strength, strong, structure, texture, warehouse, wire,