Ключевые слова: aa, aaa, alkaline, background, battery, black, changing, charge, close, closeup, component, conservation, disposable, electric, electrical, electricity, electronic, energy, equipment, expertise, fuel, generation, gold, group, ikea, industry, isolated, macro, mechanic, metal, minus, object, occupation, plus, polarity, positive, power, recharge, rechargeable, recycling, row, supply, technology, three, volt, voltage, watt, white, yellow,