Ключевые слова: 3d, accumulator, alkaline, alphabet, background, battery, capacity, cell, charge, charger, chemical, color, concept, cylinder, design, echo, ecology, electric, electrical, electricity, electronic, empty, energy, environment, font, fresh, fuel, full, glass, green, hand, icon, illustration, leaf, letter, money, natural, natures, number, plant, shape, sign, spring, symbol, text,