Ключевые слова: battery, cable, center, charge, circuit, closeup, colour, connected, connection, control, cord, data, detail, electrical, electricity, electron, electronics, element, energy, engineering, focus, generator, hole, induction, inductive, install, internet, light, machine, material, metal, network, panel, plastic, plugged, power, provide, resistance, server, set, station, switch, turnoff, turnon, volt, voltage, watt, wifi, wiring, work,