Kuchengetedza-kupfeka kurapwa ndiko kwakajairwa mumiririri wemapombi ekushandisa. Iwo ekutanga-kupfeka mabhuni atinogadzira nekugadzira ane mashandiro akanaka uye anogona kubvisa nyore mavara emafuta, ngura kana makemikari pamusoro pechinhu. Mwaya usati wapfekedza kupfeka

Mabhomba edu ane hunhu hwekupfekedza yunifomu, kukanganisa kwakasimba, uye kuchengetedza mvura, uye kuve nemhando dzakasiyana siyana dzekushandisa muindasitiri yekumhara yepasirese. Kusarudza yemhando yepamusoro-pre-kupfeka mabhuni kunogona kuita kuti iwe uite zvakawanda nezvishoma.