- 08
- Jun
umgca wokuhombisa olayitiweyo ngaphezulu kwexabiso lomtya wokukhanya ohlaziyiweyo
1. Qinisa imathiriyeli ukwenza umcu wokuhombisa womelele kwaye womelele
2. Umphezulu ogudileyo, inkangeleko ekhululekileyo
3. Ukungangeni manzi kunye nobungqina bokufuma, kulula ukucoceka kunye nokugcinwa, ukukwazi ukulwa ne-oxidation
4. Inkxaso yokwenza ngokwezifiso