Ключевые слова: background, bar, barcode, black, business, button, checkout, code, commerce, connection, control, data, device, digital, digitally, electrical, electronic, equipment, hand, handheld, handle, information, isolated, laser, manual, market place, marketplace, marketplaces, merchandise, object, optical, price, qr, reader, reading, retail, revision, sale, scan, scanner, small business, store, tax, technology, till, tool, warehouse, white, yellow,