Ключевые слова: background, business, chrome, clock, clockwork, closeup, cog, cogs, cogwheel, drive, engine, engineering, equipment, factory, gear, gearing, gears, industrial, industry, iron, machine, machinery, macro, manufacturing, mechanical, mechanism, metal, metallic, part, parts, power, production, repair, service, shiny, steel, teamwork, technology, watch, wheel, white,