Ключевые слова: backgrounds, bandwidth, block, blue, cables, closeup, coax, colorful, communications, computer, connect, connection, connector, construction, data, electric, electrical, electrician, electricity, electronics, energy, equipment, hardware, industry, internet, line, macro, many, metal, net, network, object, part, plastic, plugs, power, red, steel, store, supply, symbol, technology, volts, white, wired, wires, yellow,