Ключевые слова: big, black, bobbin, business, cable, cabling, circular, closeup, coil, communication, concept, conductor, connection, construction, copper, cord, digital, drum, electric, electrical, electrician, electricity, electronics, energy, equipment, illustration, industrial, industry, internet, isolated, large, line, macro, material, network, nobody, object, power, reel, roll, supply, system, technology, volt, voltage, watt, wire, wired, wooden,