Ключевые слова: auto, automobile, automotive, box, car, composition, drive, engine, engineer, fix, force, gear, gearbox, gearing, glasses, hard, industry, machine, machinery, machining, manual, mechanic, mechanical, metal, part, power, product, production, repair, rotate, rotation, serrate, serrated, serration, service, spare, speed, spin, sprocket, steel, surface, technical, technology, torque, transfer, transmission, vehicle, wheel, work, worker,