Umklamo ohlanganisiwe wonga u-30% wesikhala sephansi uma kuqhathaniswa namamodeli endabuko futhi usekela ukusebenza okufanayo kwamayunithi amaningi. Ifaneleka kakhulu ekuvuselelweni kwefektri kanye nokuthuthukiswa kwemigqa yokukhiqiza encishisiwe, okususa isidingo sendawo entsha.isicindezeli somoyaisiteshi.
Ubuchwepheshe bokucindezela obungakhethwa obunezigaba ezimbili buhlinzeka ngokonga amandla okwengeziwe okungu-15% uma kuqhathaniswa namamodeli esigaba esisodwa. Izici zayo ezibalulekile zokonga amandla ziye zaholela ekusetshenzisweni kwayo kabanzi ezimweni ezisebenzisa amandla amaningi njengamandla amasha kanye nokukhiqizwa okunzima.