Ключевые слова: aged, ancient, antique, background, brown, circle, closeup, cog, cogs, cogwheel, cogwheels, corroded, corrosion, design, detail, dirty, engine, engineering, equipment, factory, gear, gears, grunge, industrial, industry, iron, machine, machinery, macro, mechanic, mechanical, mechanism, metal, metallic, old, part, power, precision, retro, round, rust, rusted, rusty, steel, technology, texture, vintage, weathered, wheel, work,