Yakasiyana-siyana yemetallurgic sarudzo - pombi kunze vanes kumashure uye kumberi (paakavharika impeller) kuderedza kutenderera mukati mepombi, uye rubatsiro mukudzivirira kusvibiswa kwechisimbiso - sarudzo yekukanda yakatwasuka kana semi-Francis vanes (kubva pa2 kusvika ku8 vanes pane mamwe saizi) inopa. yakafara hydraulic sarudzo mune imwechete saizi.