1. Latex kore utu, whakamahi kotahi, EO sterilization, tohu CE;
2. Ko te putea pepa-poly takitahi, te pupuhi ranei he mea whiriwhiri;
3. He mea hanga ki te PVC marama, ngawari, hauora-koeke;
4. He tohu tae, hewari ki te tautuhi i nga rahi;
5. Kei te waatea te kete taakahu PVC laryngeal: tae atu ki te syringe me te whakahinuhinu;