Ключевые слова: bar, barcode, barcode scanner, black, business, buying, cardboard, checkout, code, coding, counter, data, device, digitally, equipment, grocery, hand, hand scanner, image, information, input, isolated, label, laser, led, light, line, manual, market, merchandise, point, pricing, purchase, reader, reading, red, render, retail, sale, scanner, scanning, sensor, shop, store, technological, technology, upc, warehouse, white,