Ключевые слова: background, bar, barcode, black, building, business, buy, checkout, code, computer, consume, consumer, consumption, digital, electronic, enterprise, figure, home, house, hut, identification, illustration, information, isbn, laser, live, logistic, manufacture, money, off, paper, pos, price, product, promotion, purchase, quality, read, resource, retail, sale, scanner, sell, skyscraper, supermarket, symbol, system, tall, technology, wrapping,