I-Tension & Traction Gas Spring, ezi yunithi zisebenza kwicala elichasene nemithombo yegesi yoxinzelelo. Izithintelo zokunyuka zihlala zingavumeli ukusetyenziswa kwemithombo yoxinzelelo; oko kukuthi, iingcango kunye neepaneli zokungena ezihenjelwe ngokuthe tye emazantsi kunye naluphi na uhlobo lwesivalo okanye isiciko ekufuneka sitsalwe sivuleke okanye sitsalwe sivalwe. Imithombo yegesi exineneyo ikwahlala isebenza njengezinto ezicinezelayo kwiindibano zoomatshini kunye neebhanti zokuqhuba.