Kufotokozera Kufewa, kopanda mpweya, kokhala ndi mphamvu zokopa (zoletsa kutayikira), kudzipatula fumbi ndi mabakiteriya, kupewa kusefukira ndi tsitsi kugwa.Patulani zamadzimadzi monga mowa, magazi, mafuta, madzi.Zofewa, zosalala komanso zomasuka Zogwiritsidwa ntchito kwambiri mu Medical, Food Processing ...
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