Ключевые слова: close, closeup, cog, cogwheel, complex, contemporary, detail, device, drive, engine, engineering, equipment, extreme, factory, force, gear, helical, industrial, industry, machine, machinery, manufactured, manufacturing, mechanic, mechanical, metal, pile, pinion, plant, precision, production, reduction, set, shiny, spiral, system, technology, tooth, transmission, view, warehouse, wheel, workshop,