Bokosi-mtundu kukana ng'anjo anaikira kusanthula mankhwala chinthu, ndi tinthu tating'ono ting'ono zitsulo kuumitsa, annealing, tempering, ndi zina mkulu kutentha kutentha mankhwala mu ma laboratories a mabizinesi mafakitale ndi migodi, mayunivesite, mabungwe kafukufuku;ukhozanso kukhala...
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