nyenzo laini
Calcite, Dolomite, Kaolin, Barite, Quartz, ulanga, Zircon mchanga, wollastonite, Coal Poda, Mwanga Calcium CARBONATE, Mika, Boksiti, Attapulgite, Brucite, Bentonite, Garnet, Magnesite, Andalusite, pyrophyllite, Potassium Feldspar, Diopside, Rectorite, Diatomite , Gypsum, Pearlite nk
nyenzo Hard
Carborundum, Boroni CARBIDE, White Corundum, Zirconia, Seri oxide, Joto aluminiumoxid, Silicon Nitride, Boroni Nnitride, Brown Fused aluminiumoxid nk
Jifunze zaidi