Umgca wokuqhawula, owaziwa ngokuba ngumgca wokuvelisa, usetyenziselwa i-decoiler, i-slitting, kunye nokubuyisela umva iikhoyili zetsimbi zibe yimicu yobubanzi obufunekayo. Isantya sikhawuleza kakhulu kwaye umthamo wemveliso uphezulu. Xa kuthelekiswa nomatshini ophantsi, imveliso kunye nokusetyenziswa kwamandla ngexesha elifanayo kunenzuzo ebonakalayo. Imoto ephambili yeDC, inobomi obude kunye nokusebenza okuzinzileyo nokuthembekileyo.
Ifanelekile ukusetyenzwa kwentsimbi epholileyo kunye neshushu-eshushu, insimbi ye-silicon, insimbi engenasici kunye nezixhobo ezahlukeneyo zetsimbi emva kokugquma komhlaba.