Ключевые слова: accuracy, aged, antique, background, close, cog, cogwheel, construction, corroded, corrosion, crank, decay, detail, dirty, dust, engine, force, gear, gearing, gearwheel, history, industrial, industrial equipment, machine, machinery, mechanism, metal, obsolete, old, pinion, power, pulley, ratchet wheel, retro, rough, round, rust, rusted, rusty, shaft, shape, steel, still life, technical, technology, texture, transmission, vintage, weathered, wheel,