Inkambu yokufakwa kwe-valve yensimbi eyinsimbi ingahlukaniswa ibe yizici ezingu-8: Ipayipi Lokuhlinzeka Amanzi Angcolile, ipayipi lokuhlinzeka ngamanzi okwakha, ipayipi lokudonsa amanzi, ipayipi lokudonsa amanzi eligqitshiwe, ipayipi lokudlulisa igesi, i-casing kagesi, ipayipi lezolimo, ipayipi lezimboni nokunye.Ukuthuthukiswa kwesakhiwo sokuphakela amanzi...
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