Nokuba ngucango olulula lwekhabhathi okanye ikhabhathi epheleleyo, iihenjisi zefenitshala zibonelela ngenkxaso enkulu kunye nokuzinza ngokuqinisekisa ulungelelwaniso olufanelekileyo kunye nokusabalalisa ubunzima. Ukukwazi kwayo ukuthwala imithwalo enzima ngaphandle kokulalanisa ekusebenzeni kwayo yinto eyenza ibe yinxalenye eyimfuneko kuyo nayiphi na ifenitshala.