Nkhani Zamakampani
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Kodi fyuluta yamafuta ndi chiyani
Pali mitundu itatu ya zosefera mafuta: zosefera dizilo, zosefera mafuta ndi zosefera gasi.Ntchito ya fyuluta yamafuta ndikuteteza ku tinthu tating'onoting'ono, madzi ndi zonyansa mumafuta komanso kuteteza mbali zofewa zamafuta kuti zisawonongeke ndi kuwonongeka kwina.Mfundo yogwira ntchito ...Werengani zambiri
