Zigawo zomwe zili pachithunziko zimapangidwa ndi mkuwa. Brass ndi mtundu wa mkuwa ndi zinc monga chinthu choyatsira chachikulu, chomwe chili ndi zabwino zambiri.
Pankhani yazinthu zakuthupi, zimakhala ndi mawonekedwe abwino komanso kutentha kwamphamvu, ndipo kumatha kufalitsa bwino mathiralo ndi kutentha m'minda monga magetsi ndi kutentha kwa kutentha. Pankhani yotsutsana kwambiri, imawonetsa magwiridwe antchito abwino ndipo siimakhazikika kapena kuwonongeka m'malo monga mlengalenga ndi madzi am'nyanja, omwe amafikira moyo wa ziwalo. Brass ili ndi pulasitiki yabwino ndipo ndizosavuta kuti musinthe mawonekedwe osiyanasiyana, omwe angakwaniritse zofunikira zosiyanasiyana.
Pali njira zingapo zogwirizira za zigawo zamkuwa. Kudula kukonzako ndikofala kwambiri, kugwiritsa ntchito zida monga machlates ndi ma makina opera kuti athe kutembenuka, kubowola, ndi zochitika zina pa brass billets. Kuponyera kunja ndi njira yotentha komanso kusungunuka kwamkuntho kukhala madzi, jendani mu nkhungu inayake kuti zizizizira komanso kupanga zigawo zovuta. Kungoyimitsa kukonzanso kumathandiza kuti muchepetse zida zothetsera matupi, zomwe zimapangitsa kuti zitheke kuwonongeka kwa pulasitiki ndikupeza mawonekedwe omwe angafune, zomwe zingakuyendere makina a ziwalozo. Njira zosinthira izi zitha kukwaniritsa zofunikira zamizere yamkuwa zosiyanasiyana, ndikuonetsetsa kuti malonda ndi olondola
Ukadaulo wamawuadakhazikitsidwa mu 2017.expand kukhala mafakitale awiri mu 2021, mu 2022, adasankhidwa kukhala msilikali wapamwamba wolemba maboma, malo opangira fakitale yopitilira 5. "Kukhazikitsa ntchito molondola ndikupambana ndi mtundu"Cholinga Chathu Chamuyaya.