Kutengera kukhazikitsidwa kwaukadaulo wapamwamba wakunja, SINAEKATO imakhazikika pakuwunikira komanso kusefera zodzoladzola, mafuta onunkhira ndi zakumwa zina pambuyo pozizira. Ndiwo zida zoyenera zosefera zodzoladzola ndi mafuta onunkhira m'mafakitale opangira zodzoladzola.