Njengoba yakhelwe njengengxenye ebalulekile yendawo yokuqeqesha ehlanganisayo, indawo yokugcina nokuqina okwanele kubaluleke kakhulu. Uhlelo lokugcina olunezinga ezimbili olunomthamo ophezulu ukuze kube lula ukufinyelela njengoba izidingo zejimu zanda. Ngenxa yochungechunge olunamandla lokuhlinzeka kanye nokukhiqizwa kwe-DHZ, isakhiwo sohlaka lwemishini sihlala isikhathi eside futhi sinewaranti yeminyaka emihlanu.
