C raupapa CO2 taiaho ngongo he kounga whatu teitei, kaha tapahi kaha me te mana uru.Ko tenei raupapa o te ngongo taiaho e whakamahi ana i te hangarau taapiri tika, he iti ake te waahi leakage me te pai ake o te hiri.Ko te hangarau whakakikorua taiaho ahurei me te tauira hau ka tino pai ake te kaha me te oranga o te ngongo taiaho.