Ключевые слова: abstract, background, cabinet, cable, cables, circuit, color, colorful, complex, concept, connect, connection, connector, construction, control, core mark, electric, electrical, electricity, energy, engineering, equipment, industrial, industry, installation, internet, line, macro, network, panel, plc, plug, power, red, supply, switch, system, technical, technology, telephone, terminal, texture, up, voltage, wire, wire duct, wired, wires, wiring, work,