Ntchito: Amagwiritsidwa ntchito kwambiri ngati mankhwala, mchere (makamaka pagulu lazinthu zopanda mchere, monga calcium carbonate, kaolin quartz, talc, mica, etc.), zitsulo, abrasive, ceramics, fire-proof material, mankhwala, mankhwala, chakudya, thanzi. katundu, ndi mafakitale zipangizo zatsopano.