Ключевые слова: aeroplane, air, aircraft, airline, airliner, airlines, airplane, atmosphere, aviation, blue, clear, cloudless, contrail, diagonal, engines, far, fast, flight, fly, four, high, industry, jet aircraft, jetliner, journey, left to right, long, manned, metal, object, passenger, piloted, plane, rapid, sky, speed, stratosphere, supersonic, supersonic airplane, supersonic jet, technology, tourism, trace, track, tracks, trail, transport, transportation, travel, white,