Umuvuduko mwinshi-mwinshi wimirongo myinshi ikoreshwa muguhuza ibice bibiri byibikoresho bya hydraulic, cyane cyane mubice bigabanya: imikorere nogucunga bikoreshwa mugucunga ibice byegeranye byimashini zikoreshwa.Bemerera kohereza igenzura rya kure hagati yubugenzuzi nubushakashatsi.