Ключевые слова: adult, aerospace, airdrome, airfield, airliner, airport, aviation, calm, commercial, earmuffs, earphone, engineer, equipment, executive, flight, fuel, headset, industry, job, male, man, mechanic, occupation, outdoor, pensive, plane, portrait, power, preparation, protective, repair, safety, serene, serious, service, staff, supply, technical, think, thoughtful, tool, transport, transportation, turbine, vehicle, vest, wheel, work, worker, young,