Kuyeretsa kamangidwe kazitsulo: Makina owombera mbedza amatha kugwiritsidwa ntchito kuyeretsa pamwamba pazitsulo, kuchotsa zinthu zosafunikira monga dzimbiri, wosanjikiza wa oxide, litsiro ndi zokutira, ndikusintha mawonekedwe azitsulo ndi zomatira zokutira. Izi zikuphatikizapo kuyeretsa ndi kukonza zitsulo zazikulu monga mafelemu azitsulo, zitsulo zazitsulo, ndi mizati yazitsulo.
Kuyeretsa kotayira: Makina owombera mbedza amatha kugwiritsidwanso ntchito kuyeretsa pamwamba pa ma castings. Ma castings nthawi zambiri amapanga zipata zothira, ma oxides, zipolopolo zamchenga ndi zolakwika zina pakuponya. Makina owombera mbedza amatha kuchotsa zolakwika izi ndikuwongolera mawonekedwe apamwamba a castings. Kupyolera mu kuphulika kwa mfuti, zowonongeka pamtunda ndi zonyansa zimatha kuchotsedwa kuti zipereke malo oyera kuti apangidwe ndi kupenta.