Soft ara-nofo
Calcite, Dolomite, Kaolin, Barite, Quartz, Talc, Zircon Sand, Wollastonite, Arintany vovoka, Light Calcium sy karibonetra, Mica, bauxite, Attapulgite, Brucite, Bentonite, Garnet, Magnesite, Andalusite, Pyrophyllite, potasioma Feldspar, Diopside, Rectorite, Diatomite , Gypsum, Pearlite sns
Hard ara-nofo
Carborundum, bore Carbide, White Corundum, Zirconia, cérium Oxide, High Temperature Alumina, Silicon Nitride, bore Nnitride, Brown Fused Alumina sns
Hamantatra bebe kokoa