Ключевые слова: background, cable, close, closeup, color, colorful, commercial, concept, connect, connection, construction, contractor, copper, cord, current, data, domestic, earth, electric, electrical, electrician, electricity, electronic, energy, equipment, green, high, industry, installation, insulation, isolate, isolated, isolation, line, macro, material, metal, network, object, plastic, power, supply, symbol, technology, tools, transmission, voltage, white, wire, wiring,