Ключевые слова: background, bar, barcode, business, buy, checkout, code, coding, commerce, communication, concept, data, device, digital, display, electronic, equipment, hand, icon, identification, industry, information, inventory, label, laser, light, line, logistic, mobile, number, price, product, qr, reader, reading, retail, sale, scan, scanner, scanning, service, shop, smartphone, store, supermarket, symbol, tag, technology, warehouse, white,