Ключевые слова: architecture, beam, bending, black, bridge, cable, corrosion, cross, day, decorative, great, industrial, iron, large, lattice, link, metal, old, paint, patterns, pillar, pin, rail, rails, railway, rivet, rivets, rope, rust, screw, shear, sky, steel, strong, structure, support, tension, tight, time, tourism, traffic, train, transport, traverse, truss, urban, vintage,