Ключевые слова: alarm, blue, business, camera, cctv, circuit, city, closeup, column, control, crime, electrical, electronic, equipment, guard, industry, infrastructure, instrument, isolate, isolated, lens, look, monitoring, optical, outdoors, post, privacy, private, property, protect, protection, record, render, roof, safe, safety, secure, security, sky, spy, street, surveillance, system, technology, television, urban, video, view, watching, white,