Lintlha tse bakang lekhalo la theko ea litene tse phahameng tsa alumina

Theko ea litene tse phahameng tsa alumina e fetoha haholo ‘marakeng. Phapang ea litheko tsa thepa e tala, lits’ebetso tsa tlhahiso le litšenyehelo tsa basebetsi libakeng tse fapaneng ke eona ntho e ka sehloohong e amang ho fetoha ha theko ka kotloloho.