Abasebenzisi abaninzi ekusebenziseni i-aluminium foil gasket (i-aluminium foil sealing gasket) ukutywinwa, bahlala befumanisa ukuba ngexesha lokutywinwa, ibhotile iya kuvelisa ukuqhuma komsi omhlophe, ivule ifilimu ye-aluminium yokutywina, eya kukhupha iphunga elikhuthazayo. Kwiimveliso ezinevumba lazo, ezifana nekofu, itshokolethi, iimveliso zobisi, iziqholo okanye izithambiso eziphezulu, eli vumba lihlabayo liyinto eyonakalisayo kumgangatho wemveliso.