Ukongezwa kwamanzi okulindelekileyo kunokusekwa ekuqaleni kwipaneli yokulawula yenkqubo yokucoca ngokuzenzekelayo.Idatha yokuqala yokufuma okuziinkozo ifunyenwe yinzwa kwaye ithunyelwe kwikhompyutheni ekwazi ukubala ukuhamba kwamanzi ngengqiqo.Emva koko ivalve yokulawula iya kulawulwa yikhompyuter ukulungelelanisa ukuhamba kwamanzi.