Uwenza njani umnatha osongiweyo wesihluzi esinye, Izixhobo zokucoca umnatha osongiweyo:1. Yintoni ekufuneka ilungiswe yintsimbi yentsimbi, ipleyiti yensimbi, ipleyiti ye-aluminium, ipleyiti yobhedu, njl.2. Izixhobo zoomatshini ezisetyenziselwa ukusonga umnatha wokucoca: ikakhulu oomatshini bokugqobhoza.
Funda ngokugqithisileyo