1. Te tono ngongo cooper ki te konumohe konumohe hydrophilic, he iti te parenga o te hau, he iti ake te wai tote, he pai ake te aukati i te waikura.
2. anga maitai piauau, pai te ātete ki te waikura me te mauroa teitei.
3. Ko te wahanga whakamahana wera ka wehe i te puna wera me te puna matao, katahi ka kore te wai o roto o te paipa e whakawhiti wera ki waho.
4. He hanganga hau whakauru motuhake o roto, he rite tonu te tohatoha o te rere o te hau, ka nui ake te utu o te wera.
5. Ko nga waahi mahi rereke i hangaia he pai ake, Ko te waahanga whakamahana wera motuhake ka karo i te rerenga me te whakawhiti i te whakawhiti me te hau pupuhi, ko te kaha o te whakaora wera he 5% teitei ake i te hoahoa tawhito.
6. I roto i te putorino wera he pukoro motuhake kaore he waikura, he pai ake te haumaru.
7. Kore kohi pūngao, kore he tiaki.
8. He pono, ka taea te horoi me te ora roa.