Ключевые слова: aa, above, abstract, aerial, alkaline, apart, background, battery, blue, bright, charge, circle, cluster, collection, copyspace, disposable, electric, electricity, energy, equipment, from above, future, group, ion, isolated, lithium, object, odd one out, old, overhead, past, pattern, plain, positive, power, recycling, separated, shape, silver, stand out from the crowd, technology, three, tips, top view, vertical,