Ключевые слова: background, black, blue, bond, bundle, bus, cable, closeup, color, colorblind, colorful, computer, concept, connection, copper, cord, current, cut, destination, digital, electric, electrical, electricity, electron, electronics, engineering, global, green, highway, industrial, industry, internet, line, media, network, object, power, red, rope, route, speed, system, tangle, technique, technology, telecommunications, telephone, transmission, wire,