Poona makhalidwe a chakudya utsi mpweya, Lida Huarui mosalekeza anayambitsa umisiri apamwamba zoweta ndi akunja zochokera kafukufuku ndi chitukuko cha makina chakudya kwa zaka zambiri, ndipo mwachangu kugwirizana ndi mayunivesite ambiri zoweta pa kafukufuku. Ndondomeko ndi malamulo a dziko. Kwa mabizinesi opangira chakudya, tapanga zatsopano zamakina opangira gasi, zida, zowongolera zokha, ndi zina zambiri, ndipo tapanga njira yatsopano yochizira zinyalala zamafuta: oxidation yapamwamba + mayamwidwe opopera + kugwiritsanso ntchito madzi.