Ключевые слова: background, black, cable, circuit, clean, connection, construction, consumption, cord, danger, dangerous, electric, electric current, electric wire, electrical, electrical plug, electricity, energy, equipment, extension, health, home, hospital, hospital room, house, indoors, interior, machine, many, medical, medicine, modern, object, off, outlet, plug, power, power cable, power outlets, room, socket, supply, switch, switch onoff, technology, virus, voltage, volts, watts,