Ключевые слова: adult, alertness, authority, background, bodyguard, caucasian, closeup, communication, concept, confidence, control, device, escort, guard, looking, male, man, night, night watch, occupation, person, personal, police, portable radio, privacy, private, property, protect, protection, safeguard, safety, secure, security, serious, service, sleep sleeping, table, tired, transceiver, uniform, work, workplace, young,