Lisebelisoa: E loketse boto ea gypsum, keel ea lehong, lihokelo tsa lebota, mabota a karohano a bobebe le ho kenya letoto la siling.
Kalafo ya bokahodimo: phosphate e ntsho/zinki e tshweu e putswa/ho pola zinki ka mmala
Boitsebiso: tšepe ea carbon
![`4NNW{5P]H${371$2K`O]PI](http://www.hbunisen.com/uploads/4NNW5PH3712KOPI-284x300.png)
