Ключевые слова: abstract, architecture, background, bar, batch, blur, brown, building, built, bundle, circle, closeup, concrete, construct, construction, corroded, corrosion, corrosive, decay, engineering, frame, framework, gray, gray background, grey, grid, industrial, industry, infrastructure, iron, lines, long, material, mesh, metal, metallic, mill, parallel, pattern, pile, pole, power, rail, re bar, reinforce, reinforced, reinforcement, reinforcing, rigid, rod, rust, rusted, rusting, rusty, site, soil, square, stack, stacked, steel, steel background, steel construction, steel industry, strength, strong, structural, structure, texture, together, weathered, wire,