Isistimu yokushisa amanzi ephumelela kakhulu futhi ephephile.
Thola amanzi ashisayo mahhala ngezinsuku libalele.
Sebenzisa iphampu yokushisa ezinsukwini zemvula, yonga izindleko zokushisisa ezingu-75%.
Isistimu yokushisa amanzi ephumelela kakhulu futhi ephephile.