Iivalvu zesangoyenye into eqhelekileyo kwimibhobho yaselwandle, ingakumbi xa kufuneka ulawulo lokuhamba kwamanzi olukhulu. Nangona kunjalo, ziza nemingeni ekufuneka iinjineli ziyilungise.
Enye yezona ngxaki ziphambili kukugqwala kunye nokukhula. Ukuvezwa rhoqo emanzini olwandle nakwiindawo ezifumileyo kunokubangela ukwakheka komhlwa, nto leyo echaphazela ukutywinwa kwaye yenze kube nzima ukuyisebenzisa ivalvu. Ukusebenzisa iivalvu zesango lentsimbi engenasici okanye intsimbi ezimbini kuyanceda ekunciphiseni le ngxaki, kodwa ukugcinwa ngokufanelekileyo kusabalulekile.
Omnye umceli mngeni yindawo kunye nobunzima. Iivalvu zesango zinkulu kuneevalvu zebhola okanye zebhabhathane. Kwimikhumbi apho isentimitha nganye ibalwa khona, iinjineli kufuneka zilinganise ubungakanani beevalvu kunye nokufikeleleka kokusebenza kunye nokugcinwa kwazo.
Ukuguguleka kwesihlalo sevalvu nako kuyinto eqhelekileyo. Ukuvulwa nokuvalwa ngokuphindaphindiweyo kunokubangela umonakalo kumphezulu wokutywina, okukhokelela ekuvuzeni. Ukuhlolwa rhoqo kunye nokuthambisa, kunye nokusebenzisa iivalvu zesango ezihlala ziqinile okanye eziphakamayo, kunokunceda ukunciphisa ezi ngxaki.
Ixesha leposi: Novemba-14-2025