Ключевые слова: alarm, blue, cam, camera, cctv, circuit, control, danger, detection, drive, electronic, equipment, green, guard, industrial, lamp, light, lights, look, metal, modern, monitor, monitoring, outdoor, protection, record, road, safe, safety, secure, security, sign, sky, street, surveillance, system, technology, television, traffic, trafficlight, transportation, urban, video, view, watch, watching,