Ключевые слова: building, business, cam, camera, cctv, circuit, city, clear, closeup, control, danger, electrical, electronic, equipment, guard, home, industry, isolated, lens, look, modern, monitor, monitoring, observe, outdoor, outdoors, privacy, private, property, protect, protection, record, safe, safety, secrecy, secure, security, sign, spy, surveillance, system, technology, television, urban, video, view, wall, watch, watching, white,