M'madera ena kumene fumbi loyaka moto limapangidwa muzitsulo, malasha, mafakitale a mankhwala, electroplating, kupukuta, kukonza chakudya ndi mafakitale ena, nthawi zambiri zimakhala zodzaza fumbi.Chifukwa chake, kusankha zida zabwinoko zopumira mpweya kumathandizira chilengedwe ...
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