1. Bai wokhala ndi michere yambiri, kuwonjezeka kwakukulu pakupanga Ndipo ili ndi zinthu zina monga sulfure, chitsulo, zinc, molybdenum, magnesium zhi, ndi zina zofunika ndi mbeu du. Nthawi yomweyo, malonda ali ndi mawonekedwe amtundu wa yunifolomu, khola labwino, kusungunuka kwabwino, komanso mayamwidwe osavuta b ...
Werengani zambiri