Chekutanga: iyo valve handwheel pane akawanda marudzi ekutsanangurwa, nekuti mavhiri eruwoko mavhiri emodhi yevharuvhu ane zvakawanda zvekuita, akasiyana mavharuvhu anodiwa mune akasiyana dhayamita yehandwheel yedu yakakosha mavhiri madhiri, semuenzaniso, kune akawanda marudzi akadai seRADIUS ye100-200 ye160 uye zvichingodaro izvo zvatinotenga vhiri redu rinoda kutarisisa.
Chechipiri: iyo vharafu ruoko vhiri ndiro ukobvu iyo yakanangana nekutsikirira vharafu handwheel inoda kuisa pamberi pechikumbiro nekuti vamwe vagadziri kuti vachengetedze mbishi zvinhu vachishandisa simbi yakatetepa iyo inoderedza zvakanyanya kunaka kwechigadzirwa, inokanganisawo iyi valve quotas tinoona hupenyu hwebeta.
Chechitatu: ndiyo mishonga yehukobvu inova imwe yehupenyu hwedu hwevharuvhu.
Chikamu IV: ruvara rwevharuvhu handwheel valve ruoko vhiri pamusoro pekurapa maitiro uye zvichingodaro nhevedzano yehukama kana tikakumbira.
