Ключевые слова: background, cable, cables, cabling, center, communication, computer, conductor, constructing, construction, current, danger, data, electrical, electricity, engineering, equipment, factory, high, industrial, industry, ladder, line, machinery, modern, network, pipe, piping, platform, power, rack, room, row, secure, security, service, storage, support, switch, technology, telecommunications, tray, trays, voltage, web, work,