Ключевые слова: analog, area, broadcast, center, communication, concept, control, dark, data, device, display, electrical, electronic, electronics, employee, environment, equipment, hardware, indoor, industrial, industry, information, lab, laboratory, man, measurements, old, one, operator, person, place, professional, radar, radio, receiver, research, retro, science, scientific, screen, secret, soviet, station, surveillance, system, technology, tracking, ussr, wires, worker,