Zidazi zimagwiritsidwa ntchito kwambiri m'mafakitale opangira mankhwala, mankhwala, zakudya ndi zina kuti ziwotche ndi kuumitsa zinthu kapena kuwononga, kutentha ndi kulimbitsa, zouma ndi zowonongeka.Monga zopangira, zidutswa za mankhwala aku China, ufa, ma granules, masamba opanda madzi ndi zotengera, etc.