Nikeza imikhiqizo yekhwalithi ephezulu kumakhasimende, ube ne-IQC, QC, FQC kanye ne-OQC ukuze ulawule ngokuqinile ikhwalithi yesixhumanisi sokukhiqiza ngasinye somkhiqizo. Kusukela ezintweni ezingavuthiwe kuya ekuhlolweni kokulethwa, sinezisebenzi ezinikezwe ngokukhethekile ukuthi zihlole zonke izixhumanisi ukuqinisekisa ikhwalithi yomkhiqizo. imikhiqizo.