Mpweya wothira mpweya uyenera kutulutsidwa usanatulutsidwe chifukwa mpweya ndi wochepa kutentha. Ngati mpweya wothira mpweya sukwanira, chotetezera mpweya chidzapangidwa mozungulira chakudya (thumba la mpweya), kotero kuti kutentha sikungasunthire pakati pa chakudya, "malo ozizira" adzapangidwa mu retort nthawi yomweyo zomwe zingayambitse zotsatira zosafanana za kutulutsidwa kwa mpweya.
Ma retort a nthunzi apangidwa kuti azitha kugawa kutentha kofanana kuti apereke nthawi yoyenera yobwera. Ndi ma retort a nthunzi okhuta ochokera ku kampani yathu, pali zinthu zingapo. Retort ya nthunzi imapezeka ndi chithandizo chosalekeza kuchokera kwa Mainjiniya athu. Palinso kuzizira kwa madzi osefukira kapena chosinthira kutentha komwe kungafunike.
Chitini chachitsulo: chitini, chitini cha aluminiyamu.
Pori, jamu, mkaka wa zipatso, mkaka wa chimanga, mkaka wa mtedza, mkaka wa mtedza ndi zina zotero.
Ubwino wogwiritsa ntchito njira yothira nthunzi poyeretsa ndi kusunga zakudya ndi monga:
Kuyeretsa thupi mofanana: Nthunzi ndi njira yothandiza yoyeretsa thupi ndipo imatha kulowa m'malo onse a zakudya zomwe zapakidwa m'matumba, kuonetsetsa kuti chakudyacho chiyeretsa thupi mofanana.
Kusunga Ubwino: Kuyeretsa ndi nthunzi kumathandiza kusunga thanzi, kukoma, ndi kapangidwe ka zakudya. Sikufuna zotetezera kapena mankhwala, zomwe zimapangitsa kuti ikhale njira yachilengedwe komanso yotetezeka yosungira chakudya.
Kusunga mphamvu: Kuyankha kwa nthunzi kumagwiritsa ntchito mphamvu zochepa ndipo kumafuna mphamvu zochepa poyerekeza ndi njira zina zoyeretsera.
Kusinthasintha: Kuyankha kwa nthunzi kungagwiritsidwe ntchito poyeretsa zakudya zosiyanasiyana, kuphatikizapo zipatso ndi ndiwo zamasamba zam'chitini, supu, sosi, nyama, ndi zakudya za ziweto.
Kutsika mtengo: Kuyankha ndi nthunzi ndi kotsika mtengo poyerekeza ndi njira zina zoyeretsera, zomwe zimapangitsa kuti zikhale njira yotsika mtengo kwa opanga chakudya.