Ключевые слова: background, business, cam, camera, cctv, circuit, closeup, communication, component, control, device, digital, electrical, electronic, equipment, glass, guard, image, industry, infrared, internet, ip, isolated, led, lens, macro, media, metal, mount, network, nobody, optics, photo, privacy, protection, record, safe, safety, secure, security, sensor, signal, small, spy, surveillance, system, technology, video, view, white,