Ключевые слова: abstract, aluminum, architecture, background, bar, black, building, bunch, bundle, cast, chrome, closeup, concrete, construction, converge, corrosion, craft, factory, gray, group, heap, heavy, industrial, industry, iron, line, material, metal, metallic, new, pattern, pile, plant, rail, raw, reinforce, reinforced, rod, rust, rusted, rusty, shiny, site, stack, steel, strong, structure, technology, texture, warehouse,