Ключевые слова: aircraft, airplane, aviation, background, blade, close, detail, development, engine, engineering, equipment, factory, force, gas, generator, heavy, industrial, industry, jet, machine, machinery, manufacture, manufacturing, mechanics, mechanism, metal, metallic, motion, motor, plane, power, pressure, propeller, quality, rotor, steam, steel, steel construction, technology, turbine, turbine manufacturing, turbo, up, wheel, wind, work,