Ka pehia te Co2-kai ki roto i te wai na roto i te pehanga i homai e te miihini, a ka taea te tarai i te hau memeha ki te 60%.He mea whakahou ake te punaha rewharewha me te whakamahi i tetahi hoahoa awhina pehanga aunoa, ka pau i muri i te tukunga o te paatene.Kaore he take ki te pehi a-ringa i te rewharewha, he haumaru ake.

Te mahi perehi kotahi-patene.

Te peita piano, kakano teitei.

Ko te pehanga teitei kaore e paheke, he haumaru ki te whakamahi.Ina he tiketike rawa te pehanga o te pounamu, ka hangaia te tinana pounamu ki te pehi i te pounamu wai ki roto i te waha o te pounamu kia kore ai e taka te pounamu wai.

Te kounga kai, haumaru ki te whakamahi.

Ka tae mai me te potae pounamu mo te rokiroki pai ake