Ключевые слова: aa, aaa, alkaline, background, battery, blue, bunch, cell, charge, close, close up, closeup, component, concept, current, different, ecology, electric, electrical, electricity, electronic, energy, environment, fuel, generation, group, industry, macro, many, metal, negative, object, pattern, pollution, positive sign, power, recharge, rechargeable, recycling, saw, supply, technology, trench, voltage, waste,