Ключевые слова: air, airport, alarm, background, big, brother, business, camera, cctv, control, crime, detection, dome, efficiency, electrical, electronic, equipment, guard, industry, inspection, interior, lens, look, modern, monitor, monitoring, observe, outdoor, overhead, police, precaution, property, protect, protection, record, safety, secure, security, spy, surveillance, system, technology, travel, urban, video, view, visual, wall, watch, window,