I-HBY yindandatho yesithinteli, ngenxa yesakhiwo esikhethekileyo, ejongene nomlebe wokutywina we-medium ukunciphisa itywina eliseleyo phakathi kokuhanjiswa koxinzelelo emva kwinkqubo.Yenziwe nge-93 Shore A PU kunye ne-POM yenkxaso ring.Isetyenziswa njengento ephambili yokutywinwa kwiisilinda zehydraulic.Kufuneka isetyenziswe kunye nelinye itywina.Ulwakhiwo lwalo lubonelela ngezisombululo kwiingxaki ezininzi ezifana noxinzelelo lokothuka, uxinzelelo lwasemva njalo njalo.