Iityhubhu ezihlonitshiweyo zibonakaliswa ngokuchaneka kwazo okuphezulu kunye nomphezulu ogudileyo wangaphakathi.Zenziwe kwintsimbi ephezulu, ehamba ngenkqubo engqongqo yokuhombisa ukufezekisa ukunyamezela okuchanekileyo.Le nkqubo ayilungisi nje kuphela indawo yangaphakathi kodwa iphinda ikhulise iimpawu ze-tube mechanical, eyenza ibe yinto ehlala ixesha elide kwaye ixhathise uxinzelelo oluphezulu kunye nokugqoka.Iityhubhu ezihlonitshiweyo zisetyenziswa ngokubanzi ekwenzeni iisilinda ze-hydraulic, apho zisebenza njenge-cylinder barrel, evumela ukuba ipiston ihambe kakuhle ngaphakathi kwabo.
Bhala umyalezo wakho apha kwaye uwuthumele kuthi