Ключевые слова: bolt, circle, dirt, dirty, electric, engineer, engineering, equipment, factory, finger, fixing, gear, hand, hard, industrial, industry, instrument, iron, machine, machinery, machinetool, male, man, manufacturing, mechanic, metal, metalwork, object, old machine, power, production, repair, repairman, service, spin, steel, technician, technology, tool, vehicle, wheel, work, worker, workman, workplace,