Ключевые слова: arrangement, background, banking, battery, blue, business, button, calculate, calculator, cell, circular, coin, current, cutout, data, display, dry, economy, electric, electricity, energy, figure, finance, financial, keypad, lithium, math, mathematics, number, office, power, purple, recycle, recycling, round, shape, shinning, shiny, silver, technology, used, white, work,