Ключевые слова: aluminum, architecture, background, black, building, cable, camera, cctv, cement, circuit, concrete, control, crime, danger, design, electronic, equipment, guard, home, house, industry, lens, look, modern, monitor, observe, outdoor, privacy, private, protect, record, remote, safe, safety, secure, security, space, spy, style, survey, system, technology, television, tv, urban, vdo, video, view, wall, white,