Ключевые слова: alarm, architecture, camera, cctv, circuit, city, confident, control, cruise, defense, digital, electronic, equipment, estonia, europe, guard, houses, inspect, lens, lifebelt, live, look, monitor, monitoring, observe, outdoors, prevention, privacy, property, protect, protection, record, safe, safety, sea, secrecy, secure, security, ship, silhouette, spy, surveillance, tallinn, technology, television, town, traffic, transit, transportation, travel, trip, urban, video, view, vision, warning, watch,