Ключевые слова: alarm, big, broadcast, brother, business, camera, cctv, check, control, crime, defense, electronic, equipment, glass, guard, inspect, inspection, lens, live, look, observe, observer, oversight, precaution, privacy, private, property, protect, protection, record, screws, secure, security, security camera, spy, surveillance, surveillance camera, survey, technology, theft, urban, video, view, viewer, vision, watch, witness,