Inaliti ihoxiswa ngokuzenzakalelayo isuka esigulini iye emgqonyeni wesirinji lapho isibambo se-plunger sidangele ngokugcwele. Ukususwa kwangaphambili, ukuhoxiswa okuzenzakalelayo kuqeda ngokuphelele ukuchayeka enaliti engcolile, kunciphisa ngempumelelo ingozi yokulimala yenaliti.