Ключевые слова: aging, antique, bolt, brown, close up, concept, construction, copy, dirty, effect, engineering, equipment, factory, fastening, grass, heavy, hexagon, horizontal, idea, industrial, industry, iron, large, machine, macro, material, metal, metallic, nut, object, obsolete, old, out, past, process, retro, rope, rough, rust, rusty, screw, steel, strength, sunlight, surface, thick, tool, uneven, weathered, work,