Ключевые слова: air, aircraft, airfield, airliner, airplane, airport, airport in winter, airport winter, antifreeze, aviation, bad weather, chemical, cold, condensation, de icing, defrost, deicing, departure, engine, flight, frost, frozen, handling, ice, icing, icy, jet, liquid, machine, plane, preparation, protection, runway, safety, service, snow, spray, steam, transport, transportation, travel, weather, wing, winter, work, working,