Ключевые слова: aerial, air, aircraft, airship, aloft, atmosphere, aviation, blank, blue, buoyancy, cabin, cable, cloud, cloudless, cockpit, copy, fabric, flight, float, fly, freedom, gas, gondola, helium, high, hover, hydrogen, inflated, isolated, lift, object, passage, ride, rise, shape, ship, single, sky, sport, transport, transportation, travel, vehicle, voyage, zeppelin,