Ключевые слова: adult, big, brother, business, camera, cctv, cheerful, city, community, control, copy, crime, digital, electrician, equipment, guard, happiness, home, house, install, male, man, manual, men, monitor, monitoring, office, one, people, person, portrait, professional, protection, safety, secure, security, service, sit, sitting, space, success, surveillance, system, technology, video, village, work, working,