Ключевые слова: blue, business, cable, camera, cctv, circuit, city, control, crime, electric, electrical, electricity, electronic, equipment, exterior, glass, green, guard, industry, lens, life, light, modern, monitor, outdoor, private, property, protection, recording, safety, secrecy, secure, security, sky, street, surveillance, survey, system, technology, television, tree, tv, urban, video, view, wall, watch, white,