Ключевые слова: abstract, armature, background, bar, bars, brown, building, bundle, carcass, closeup, construction, corrode, corroded, corrosion, design, detail, details, engineering, equipment, fittings, frame, framework, grunge, heavy, industrial, industry, iron, line, material, metal, metallic, old, pattern, pipe, pole, production, profile, rebar, reinforcement, rod, rods, rust, rusty, stacked, stainless, steel, strength, structure, surface, technology,