Ключевые слова: air, aircraft, airplane, aviation, blade, circle, commercial, design, detail, energy, engine, engineer, engineering, equipment, fan, flight, flying, frame, generation, gray, horizontal, ideas, industrial, industry, iron metal, jet, large, machine, machine part, material, mechanical, metal, metallic, motor, nobody, part, plane, power, propeller, reliability, rotor, speed, steel, technology, transport, transportation, turbine, vehicle, white,