
Ko te mowhiti tākai whakarewa he mea hanga ki te tānga whakarewa, e totoro ana ki roto i te maramataka motuhake, ko te mata mata ki roto i ngā ture o te mata taimana, ko ngā ture āhuahanga o te mata waea kopikopiko. He maha ngā momo rauemi e taea te tukatuka, he whānui te kōwhiringa rauemi o te mata waea, ā, he pai te ātete ki te waikura. He karauna kirihou te whakakī o te whakakī o te mata waea, he karauna whakarewa hoki. Ka puta wawe te karauna kirihou, ā, he maha atu anō hoki mō te horoi hau, te pourewa horoi.
He rite te āhua o te tākai porowhita whakarewa ki te porowhita porowhita, ā, he maha ngā porowhita here. Nā te nui o te wai e rongoa ana i roto i ngā āputa o te tākai, ka roa ake te wā e pā ana te hau ki te wai, ka pai ake te whakawhiti. He āhuatanga tōna o te nui o te āputa, te iti o te hekenga pēhanga, te rawaka o te pā o te hau ki te wai, me te iti o te taumaha.
1) He nui te rōrahi kore utu, he nui te wāhi korekore;
2) te iti o te hekenga pēhanga;
3) Te mahi whakawhiti papatipu tino pai
4) Teitei te pūwāhi mānu;
5) He ātete pai ki te waikura me te wera;
6) Te iti o te taumaha motuhake;
7) He māmā te tāuta, te tango rānei. Ka taea te hangarua.
E whakamahia ana te nuinga i roto i ngā pourewa horoi, ngā pourewa whakamatao, ngā pourewa whakakore pūhā, te kaiwhakakore hau, ngā pourewa whakamaroke me ngā pourewa tango waro, me ngā whakaurunga hoki mō te maimoatanga parakaingaki.
| Rahi | Ngā tau mō ia m3 | Horahanga mata (m2/m3) | Rōrahi kore utu (%) | |
| Inihi | Mm | |||
| 2 | 50x25x0.8mm | 19180 | 112.8 | 96.2 |
| 3 | 75x75x1.0mm | 5460 | 64.1 | 97.3 |
| 4 | 100x45x1.2mm | 2520 | 53.4 | 97.3 |