Ключевые слова: ac, alternating, black, capacitance, capacitor, conditioner, dual, electric, electrical, electricity, electromagnetic, electromotor, engine, engineering, equipment, fan, flat, frame, gear, group, horsepower, icon, illustration, induction, industrial, industry, machine, magnet, magnetism, metal, motor, new, object, one, phase, pole, power, rear, rotor, shaft, single, symbol, technology, white,