Ключевые слова: ancient, antique, circle, cog, cogwheels, construction, corroded, corrosion, detail, dirty, engine, engineering, equipment, factory, gear, grunge, hardware, heavy, industrial, industry, instrument, iron, machine, machinery, manufacture, mechanic, mechanical, mechanism, metal, object, obsolete, old, part, plant, power, retro, rust, rusty, scrap, stainless, steel, technical, technology, tool, transmission, vintage, weathered, wheel, winch, work,