Ключевые слова: abstract, architecture, background, black, block, building, built, cement, chain, color, concrete, connection, construction, corrosion, danger, design, effect, element, fence, fragment, gray, grunge, hanging, heavy, hook, industrial, industry, iron, link, material, metal, metallic, old, outdoor, pattern, paving, pulley, rust, rusty, safety, secure, security, sett, shape, slab, steel, stone, strong, structure, surface, texture, urban, vintage,