Ключевые слова: adult, airfield, airport, caucasian, chat, cheerful, clipboard, colleague, communication, comrade, conversation, crew, departure, document, employee, engineer, glad, happy, industry, job, machine, maintenance, male, man, mechanic, note, outdoor, paper, partner, plane, repair, runway, safety, security, service, smile, speak, staff, stand, street, support, talk, technical, tell, transportation, two, work, worker, write, young,