Ключевые слова: aged, ancient, antique, brown, cable, circle, closeup, cog, cog wheel, cogwheel, corroded, corrosion, design, detail, engine, engineering, equipment, factory, gear, gear wheel, gearing, gears, gearwheel, historic, industrial, industry, iron, machine, machinery, mechanic, mechanical, mechanics, mechanism, metal, old, old fashioned, part, retro, rust, rusty, steel, technology, teeth, transmission, vintage, wheel, work,