Isembozo semisele sifakwe ngaphezulu kwetanki leoyile。Kukungena ngaphakathi kokulayisha, ukujonga ukubuyiswa komphunga kunye nokugcinwa kwetanki。Inokukhusela itanki kwimo yongxamiseko。
Ngokwesiqhelo, ivelufa yokuphefumla ivaliwe。Nangona kunjalo, xa ulayishe kwaye ukothule i-oyile yotshinsho lwangaphandle lobushushu, kunye noxinzelelo lwetanki luya kutshsha njengoxinzelelo lomoya kunye noxinzelelo lwe-vacuum。Ivelufa yokuphefumla inokuvula ngokuzenzekelayo kuxinzelelo oluthile - uwenza uxinzelelo lwetanki kwimeko yesiqhelo。Ukuba kukho imeko engxamisekileyo efana nokuqengqeleka kwimeko, iya kuvala ngokuzenzekelayo kwaye ikwathintele ukuqhushumba kwetanki xa kusitsha。Njengoko ivelufa edinisayo engxamisekileyo iya kuvula ngokuzenzekelayo xa itanki iloli ingaphakathi ingcinezelo inyuka iye kuluhlu oluthile。