Ключевые слова: background, bar, barcode, beam, black, business, checkout, closeup, code, computer, concepts, consumerism, control, counter, data, digital, electronics, equipment, frame, generated, horizontal, ideas, identity, industry, information, isolated, label, laser, lines, macro, merchandise, nobody, number, packaging, paper, price, product, projection, reader, reading, red, retail, scanner, shopping, striped, technology, white,