Li-valve tsa bolo li etselitsoe ho fana ka matla a phahameng le botšepehi ka ho sebelisa mokhoa o ts'oanang oa li-multi-ring ring tse matla joaloka valve ea nale, eo ha e kopantsoe le kutu e thibelang ho phatloha ka morao, e tiisang ho hanyetsa mekhoa eohle ea ts'ebetso le likhatello.