He aha ngā take e tangi rerekē ai te ārai tatau?
1. Ngā raruraru hoahoa me te tukanga hangahanga, he haruru rerekē te mata o te ringa rohe me te taha o te roera tautoko, kāore te pou o te hononga tatau me te pou hurihuri o te rohe e tino whakarara;
2. Whakatuwheratia, kati rānei te tatau i runga i te kaha mō te wā roa, ka puta he kaha whakapē, he piko, he kino hoki o te here tatau;
3. Nā te huihuinga hē i puta;
4. Te pakaru o te ārai tatau, te piko rānei o te tatau i te wā e whakamahia ana;
5. Kāore he hinu whakahinuhinu i te mata o te whakawhāiti.
Ko te kaupapa o te ārai tatau he whakawhāiti i te whānuitanga o te whakatuwheratanga o te tatau. I tētahi taha, ka taea e ia te whakawhāiti i te whakatuwheratanga mōrahi o te tatau kia kore ai e tuwhera whānui rawa, ā, i tētahi atu taha, ka taea e ia te pupuri i te tatau kia tuwhera ina hiahiatia, pērā i te wā e tū ana te motuka i runga i te arawhata, i te wā rānei e pupuhi ana te hau, kāore te tatau e kati aunoa. E rua ngā ārai tatau motuka e whakamahia whānuitia ana, ko te ārai puna pae hurihuri me te ārai pae kume. Mai i te utu whakaputa, i te utu tiaki rānei, he pai ake te ārai pae kume i te ārai puna pae hurihuri, he mea noa ake, engari ko te pānga rohe o te ārai pae kume ehara i te ārai puna pae hurihuri, nō reira, he rārangi ake te mahi, ko ētahi motuka e kite ana he mārama te rohe, ko ētahi motuka kāore e mārama.