Ma barcode ovala mwamakonda ndi zizindikiritso zapadera zomwe zimasindikizidwa pazovala kuti zifufuze, kutsimikizira, ndi zolinga zamalonda. Zitha kukhala ndi zambiri monga zamalonda, mitengo, ndi manambala azinthu. Ma barcode awa amathandizira kuwongolera kasamalidwe kazinthu, kukonza zolondola pakutsata malonda, komanso kupewa kuba.