Kuwonetsa katundu:
Chitsulo chozungulira ndi chitsulo cholimba cha cylindrical, chomwe m'mimba mwake chimatha kupangidwa mosiyanasiyana malinga ndi zosowa zopanga.Kukonzekera kumaphatikizapo kugudubuza kotentha, kujambula kozizira, kupanga ndi kutentha ndi njira zina.Pakati pawo, kugudubuzika kotentha ndi njira yomwe imagwiritsidwa ntchito kwambiri, yomwe imatha kupanga zitsulo zozungulira ndi mainchesi akulu.Kujambula kozizira kumatha kupanga m'mimba mwake yaying'ono komanso chitsulo chozungulira chapamwamba.