I-cylinder gasket ibekwe phakathi kwentloko yesilinda kunye nomzimba we-cylinder, owaziwa ngokuba yi-cylinder bed.Umsebenzi walo kukugcwalisa i-microscopic pores phakathi kwebhloko ye-cylinder kunye nentloko ye-cylinder, ukuqinisekisa ukutywinwa okulungileyo kwindawo edibeneyo, kwaye emva koko kuqinisekiswe ukutywinwa kwegumbi lokutshisa ukukhusela ukuvuza kwe-cylinder kunye nokuvuza kwamanzi.