Beddelaha dareeraha dareeraha gaaska ee taxanaha ah ee SZH wuxuu ku qaataa tignoolajiyada beddelka dareeraha gaaska horumarsan ee dhululubada sambabada, kaas oo u beddeli kara tamarta pneumatic tamar farsamaysan oo gaadhi kara xakamaynta xawaaraha saxda ah iyo xakamaynta booska iyada oo loo marayo kantaroolaha qoyaanka.Beddelka noocaan ah wuxuu leeyahay sifooyinka jawaab-celinta degdega ah, saxnaanta sare, iyo kalsoonida xooggan, kaas oo buuxin kara shuruudaha xakamaynta dhaqdhaqaaqa ee xaaladaha kala duwan ee shaqada ee adag.