Mwana JF,
Je Wajua?
Kuchakata mafuta ya alizeti au mafuta mengine yoyote ya mimea (oil refinery) ni hatua muhimu sana katika kuhakikisha ubora wa mafuta kwa matumizi ya binadamu.
Je, unafahamu faida za mafuta yaliyochakatwa (refined oil) ukilinganisha na yale yasiyochakatwa? Kuchakata mafuta...
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