Ключевые слова: adult, airport, animal, black, border, breed, canine, caucasian, close up, contraband, customs, departure, detection, dog, duty, escalator, flight, guard, handler, illegal, indoors, inspection, lift, male, man, military, norwegian elkhound, officer, patrol, pedigreed, pet, police, profession, protect, purebred, security, sniffer, staircase, stairs, stairway, station, steps, terminal, worker,