Ключевые слова: abstract, architecture, armature, background, banner, bar, bars, close, closeup, construction, corroded, corrosion, crumpled, environment, heavy, industrial, industry, iron, isolated, line, material, metal, metallic, objects, oil, old, pattern, pile, pipe, pole, rail, rebar, reinforce, reinforcement, reinforcing, rod, round, rust, rusted, rusty, sheet, stack, steel, structure, technology, texture, tube, weathered, white,