Ключевые слова: adult, aircraft, airdrome, airline, airliner, airplane, airport, aviation, blue, caucasian, check, checklist, concentrated, crew, day, employee, engineer, flight, headphones, headset, human, jacket, jet, job, look, male, man, mechanic, member, microphone, outdoor, outside, personnel, plane, preparation, serious, service, side, sky, staff, technician, transport, transportation, travel, undistracted, uniform, view, work, worker, yellow,