Yakozwe nk'igice cy'ingenzi cy'ahantu ho gukorera imyitozo, ububiko buhagije no kuramba ni ingenzi cyane. Sisitemu yo kubikamo ibikoresho ifite ubushobozi bwo kubyinjiramo mu byiciro bibiri kugira ngo byoroshye kubigeraho kuko abakenera siporo biyongera. Kubera urunigi rukomeye rwa DHZ rwo gutanga ibikoresho no kubitunganya, imiterere y'ibikoresho iraramba kandi ifite garanti y'imyaka itanu.
