Mankhwalawa amakhala ndi chosungira chozizira komanso chipolopolo cha pulasitiki.Amagwiritsidwa ntchito kwambiri popaka zakudya kapena mankhwala.Ntchito yake ndikuwongolera kutentha mu chidebe choyikamo ndikuletsa chakudya kapena mankhwala kuti zisawonongeke.Zosungirako zozizira zokhala ndi zosintha zosiyanasiyana zimatha kusankhidwa molingana ndi zakudya kapena mankhwala.
Pamene zinthu zambiri zimagwiritsidwa ntchito nthawi imodzi, mapangidwe a m'mphepete mwa miyala amalola kuti azitha kuyendetsa bwino kutentha mkati mwa phukusi ndikuteteza chakudya kapena mankhwala.