Ключевые слова: 9v, accumulator, alkaline, background, battery, black, carbon, cell, color, copy, design, disposable, disposal, ecology, electrical, electricity, element, energize, energy, environment, garbage, grey, industry, light, metal, minus, negative, new, nine, object, one, plus, positive, power, purple, recharge, rechargeable, recycle, recycling, shape, single, space, technology, text, top, view, volt, voltage, waste, zinc,