Ключевые слова: 9 volts, aa, accumulator, acid, alkaline, battery, blank, contacts, crown, current, device, display, disposable, electronics, energy, environment, fingertype, gadget, garbage, harm, hydride, indicator, manganese, metal, meter, multimeter, nickel, nimh, nonrechargeable, nonrecyclable, object, pollution, potassium, top view, voltage, volts, wires, yellow,