Ko te onepū uku kua nui ake te aro ki ēnei tau tata nei ko ngā pītiti waikura zirconium (hanganga: ZrO₂56%-70%, Pūnaha Ā-Iwi₂23%-25%), he porowhita, he maeneene te mata, kāore e pakaru te mea mahi, he pakeke rawa, he ngāwari pai, ā, he maha ngā koki o te pekepeketanga o ngā kirikiri i te wā e pupuhi ana te kirikiri, he mea tino pai mō ngā mea mahi uaua (whakarewa, kirihou).
1.Ngā wahi i makahia me te whakairohia o te mata taratara, te maimoatanga wera i muri i te horoinga me te whakakanapa i ngā mea mahi
①Ka taea e te onepū te horoi i ngā paru katoa i runga i te mata o te mea mahi i muri i te whakarewanga me te hanga, te whakarewa me te maimoatanga wera (pēnei i te waikura, te hinu me ētahi atu toenga), ka whakakanapa i te mata o te mea mahi hei whakapai ake i te mutunga o te mea mahi, ā, ka whai wāhi ki te whakapaipai i te mea mahi.
②Mā te horoi i te kirikiri ka kitea te tae ōrite o te konganuku, kia ātaahua ake ai te āhua o te konganuku, kia ataahua ai hoki te mahi whakapaipai.
2.Te horoi i ngā wahi kua mīhinihia me te whakapaipai i te mata
Ka taea e te onepū te horoi i te mata o te mea mahi o ngā kōhao ririki, ka hanga kia papatahi ake te mata o te mea mahi, ka whakakorea te kino o ngā kōhao, ka whakapai ake i te kounga o te mea mahi. Ā, ka taea e te onepū te patu i te hononga o te mata o te mea mahi ki ngā kokonga porotaka iti rawa, kia ātaahua ake ai te āhua o te mea mahi, kia tika ake ai.
3.Whakapai ake i ngā āhuatanga miihini o ngā wāhanga
Mā te pupuhi onepu ka taea te whakaputa i tētahi mata pūwero pai, ōrite ki te mata o ngā wāhanga (tauira turanga), kia penapenahia ai te hinu whakahinuhinu, kia pai ake ai ngā āhuatanga whakahinuhinu, kia whakaitihia ai te haruru hei whakapai ake i te whakamahinga o te wā mīhini.
4.Tūranga whakaoti mārama
①Whakakanapahia te mata o ngā momo mahi kia ātaahua ake ai.
②Kia maeneene ai te mahi, kia kore ai e whakaata.
③Mō tētahi mahi motuhake, ka taea e te pupuhi onepu te whakatutuki i ngā momo whakaata, ngā momo āhua mātotoru rānei i runga i te hiahia. Pērā i te mahi maitai kore waikura, te mata o ngā taonga rakau mātotoru, te tauira mata karāhe hukapapa, me te mata o te papanga e tukatuka ana i te huruhuru.
5.Te whakamamae i te ahotea me te whakapakari i te mata
Mā te pupuhi onepu i te mata o te mea mahi hei whakakore i te ahotea me te whakanui ake i te kaha o te mata o te mea mahi, pērā i ngā puna, ngā taputapu, ngā taputapu miihini me ngā mata rererangi me ētahi atu maimoatanga mata o te mea mahi.
6.Te horoi pokepokea ai
Ko te mata o te pokepokea ai he mata argon matte, he whakaputa whakairoiro, me te horoi i te mata o te pokepokea ai, kia kore ai e whara te mata o te pokepokea ai, kia tika ai te pokepokea ai, tae atu ki te pokepokea ai he koranu konumohe, te pokepokea ai he konumohe, te pokepokea ai he potae, te pokepokea ai he pounamu karāhe, me ētahi atu.