He maha nga wa ka mahia he mata waea karai whakamuri kia uru ki tetahi punaha tātari motuhake, kaua ki te whakamahi hei waahanga whakakapi paerewa. Ko te diameter e hiahiatia ana, te whakatuwheratanga mokowhiti, te whakarite waea, te rauemi, me te hononga mutunga ka taea te huri mai i tetahi kaupapa ki tetahi.
Pānuitia atu