Ключевые слова: alertness, back, business, cameras, cctv, computer, control, crime, danger, defence, digital, display, guard, guardian, indoors, male, man, modern, monitoring, monitors, occupation, office, online, person, point, prevention, privacy, profession, property, protection, room, safeguard, safety, screen, secure, security, service, sitting, supervision, surveillance, system, table, technology, television, uniform, video, watch, work, working, workplace,