Kusindikizga handwheel nadi nkhwambura kusuzga comene, nchito yake njakukwana comene, malonda ghakugula ghakupanga comene vavu, nga ni vavu ya pa chipata, vavu ya caru cose, vavu ya pulagi, vavu ya mpira, vavu ya gulugufe, vavu ya sindano, vavu ya diaphragm na vinyake pachanya pa kugwiriskira ncito.
Kuwonjezera apo, stamping handwheel ili na USES zapadera, nga ni vavu ya vent, blowdown vavu, vavu yakufumiska, sefa, etc. Vavu yakufumiska ni chigaŵa chakukhumbikwa chomene mu ndondomeko ya mapaipi, iyo yikugwiriskirika nchito chomene mu maboyilo, mpweya wakuzizima, mafuta na mpweya wa chilengiwa, maji ghakufumiska na maji. Kanandi ŵakuŵika pa msinkhu wakulamulira panji pa chiŵegha, na vinyake, kuti ŵawuskemo mphepo yakujumphizga kufuma mu payipi, kusintha umo payipi yikugwiriskikira nchito makora na kuchepeska nkhongono.
Sono ni nyengo ya chiwuvi chomenechomene chitoliro cha kutenthemeska na vinyake vichoko vyakusindikizga handwheel ndivyo vikugwiriskirika nchito chomene, usange pali kukhumba mungafumba botou lanxin handwheel fakitare, msinkhu wa kuwaro kufuma pa 50 kufika pa 100 vichoko vyakusindikizga handwheel ni malo, mbuna ya mkati nayo njambura kusuzga, mbuna yakuzungulira, mbuna yakukwana.
