Kugwiritsa ntchitoValavu Yokhala ndi Chipata Cholimba Chosakwera:
HVAC, Kupereka Madzi ndi Zinyalala, Chakudya ndi Zakumwa, Mankhwala/Petrochemical/Kukonza, Mphamvu ndi Zamagetsi, Mapepala ndi Zamkati, Nyumba Yomanga Sitima
Valavu Yokhazikika Yopanda Tsinde Lokwera ndi njira yodalirika komanso yolimba yowongolera ndikuwongolera kuyenda kwa madzi. Valavu iyi ya chipata ili ndi kapangidwe ka tsinde losakwera komanso mpando wolimba kuti ugwire ntchito bwino komanso molimba. Ndi magwiridwe ake odalirika, imatsimikizira kuwongolera madzi kwa nthawi yayitali komanso kusamaliridwa kochepa. Ndipo imatha kupirira kuthamanga kwambiri ndipo imakhala yotsekedwa bwino ngakhale itakhala nthawi yayitali ikugwiritsidwa ntchito. Yabwino kwambiri pamafakitale osiyanasiyana.
