Ключевые слова: abstract, background, business, cable, closeup, color, colorful, communication, computer, computer network, concept, connect, connection, copper cable, cord, date, digital, electric, electrical, electricity, electronic, energy, equipment, future system, industrial, industry, information, information switching, installation, internet, internet thinks of, isolated, link, macro, multicolored, network, networking, online, panel, power, system, technology, telecommunication, telephone, wire, wired,