Aosite, kuba 1993
Uhlobo lwe-gas spring lunobude obude kwi-free state (i-stroke encinci), kwaye inokunyanzeliswa kubude obuncinci (i-stroke enkulu) emva kokuba iphantsi koxinzelelo lwangaphandle olukhulu kunelo lwayo. Umthombo wegesi okhululekileyo unesimo esicinezelweyo kuphela (iintlobo ezimbini zoxinzelelo lwangaphandle kunye ne-free state), kwaye ayikwazi ukuzivalela ngexesha lokubetha kwayo. Umthombo wegesi okhululekileyo udlala indima exhasayo. Umgaqo womthombo wegesi okhululekileyo kukuba i-tube yoxinzelelo igcwele igesi ephezulu, kwaye i-piston ehambayo inomngxuma wokuqinisekisa ukuba uxinzelelo kwi-tube yonke yoxinzelelo aluyi kutshintsha kunye nokuhamba kwepiston. Amandla aphambili omthombo wegesi ngumahluko woxinzelelo phakathi kwetyhubhu yoxinzelelo kunye noxinzelelo lwangaphandle lwe-atmospheric esebenza kwicandelo lomnqamlezo wentonga yepiston. Ekubeni uxinzelelo lomoya kwityhubhu yoxinzelelo aluguquguqukiyo, kwaye icandelo lomnqamlezo we-piston rod lihlala lihlala, amandla omthombo wegesi ahlala ehleli ngokusisiseko ngexesha lonke lokubetha. Imithombo yegesi yohlobo lwasimahla isetyenziswe ngokubanzi kwiimoto, oomatshini bokwakha, oomatshini bokushicilela, izixhobo zelaphu, oomatshini becuba, izixhobo zamayeza kunye namanye amashishini ngenxa yokukhanya kwawo, umsebenzi ozinzileyo, ukusebenza ngokulula, kunye namaxabiso akhethekileyo.