Zvigunwe zverabha ndizvo zvakakosha zvikamu zvemuchina wekudzura uye zviri nyore kuparadzwa panguva yemazuva ese inorema kushandisa, saka tinoda kuziva nzira yekutsiva zvigunwe zverabha nekukurumidza sezvinobvira.

Nhanho yekutanga kubvisa chigunwe cherabha chakashandiswa:
Kubata chigunwe cherabha neruoko rumwe, woisa screwdriver (yakatwasuka mhando) mumucheto wemunwe werabha nerumwe ruoko uye uchisimudza kumusoro kuti utore munwe werabha wakatyoka.

Nhanho yechipiri ndeyekuisa munwe mutsva werabha:
Kubata chigunwe chitsva cherabha neruoko rumwe uye kutora screwdriver (yakatwasuka mhando) nerumwe ruoko. Isa chigunwe cherabha paburi nescrewdriver.