Ключевые слова: abstract, aged, aluminum, backdrop, background, chrome, circulation, closeup, condition, conditioning, construction, decorative, detail, electricity, engine, engineering, exhaust, facility, factory, frame, grid, grunge, hole, indoor, industrial, industry, iron, large, machine, material, mesh, metal, metallic, old, pattern, retro, rough, round, steel, structure, surface, system, technology, texture, tunnel, urban, vintage, wall, wind, work,