Inkonzo yokudubula iNgxaki inikezela ngezisombululo ezilungiselelwe ukuqinisekisa ukusebenza ngokugqibeleleyo kweempompo, iivalvu kunye nezinye izixhobo.Iingcali ze-TIIEC ziya kwenza uphando lwesayithi kunye nomthengi ukuhlalutya ukungaphumeleli.Xa sisenza njalo, sihlala sijonga inkqubo xa iyonke.I-TIIEC iya kubonelela ngenkqubo yokuphucula, iimveliso eziphuculweyo kunye nemathiriyeli eyongeziweyo yokudubula ingxaki.
