Ключевые слова: ancient, background, bearing, belt, brass, chain, chainbelt, close, closeup, cog, cogwheel, copper, detail, dirty, drive, dust, engine, engineer, equipment, factory, gear, gearwheel, glass, grease, heavy, industrial, industry, iron, link, lubrication, machine, machinery, macro, metal, motor, mover, old, part, power, rackwheel, reflection, retro, shaft, steel, technology, transmission, vehicle, vintage, wheel, window,