Ko te mīhini hanga whatanga poutū he momo mīhini hanga whatanga e whakamahia ana hei whakaputa i ngā poutū, arā, tētahi o ngā wāhanga matua o ngā pūnaha whatanga papa me ngā pūnaha whatanga whare putunga. Ka whakamahia e te mīhini te hangarau hanga-whatanga hei hanga i te pepa whakarewa ki te kōtaha pou e hiahiatia ana. Ko te tikanga, ko te wetewete aunoa i te rauemi mata, te whakataurite me te whāngai i roto i te mīhini, te wero tonu, te hanga i te whakarewa ki te āhua e hiahiatia ana, te tapahi kia roa, me te tango i te hua kua oti.
1. He whānuitia te whakamahinga o te mīhini hanga whatanga poutū mō te hanga i ngā pou taumaha me ngā pou māmā.
2. Ka taea e tēnei mīhini te tukatuka i te matotoru o te maitai hurihuri matao 2.0-4.0mm, te koiri piauau, me te maitai waro.
3. Kei roto i te mīhini te wetewete whiri, te taputapu whakataurite, te mīhini whana (e ai ki te tere), te mīhini hanga, te taputapu tapahi whakanoho, te kaitahuri auau hei whakahaere i te tere o te motuka, te pūnaha PLC hei whakahaere aunoa i te roa me te rahinga.
4. Ka taea te whakakapi i te diameter o te tuaka mīhini ki te 70mm, 80mm, 90mm, mā te huinga roera rīpene.
Ko te mīhini hanga whatanga poutū he momo mīhini hanga whatanga motuhake e whakamahia ana hei hanga whatanga rokiroki e kitea whānuitia ana i roto i ngā whare putunga me ngā wāhi ahumahi. Ka mahi te mīhini mā te whāngai i ngā rīpene whakarewa ki roto i ngā huinga roera e āta hanga ana i te whakarewa ki te āhua e hiahiatia ana, ka puta he wāhanga pēnei i ngā pou, ngā poupou pouaka me ngā tautoko whakapae. Kātahi ka huihuia ēnei wāhanga hei hanga whatanga rokiroki teitei, pakari e taea ai te kawe i ngā kawenga taumaha.
Ko ngā mīhini hanga takai poutū e whakamahi ana i ngā koiri maitai kaha-teitei hei rauemi mata, ka tapahia, ka hangaia hei wāhanga takitahi o te kounga me te tika tonu. Ka taea e te hangarau hanga takai te whakaputa i ēnei wāhanga i roto i te tere me te whai hua, ka taea ai e ngā kaihanga te whakatutuki i te hiahia me te whakaiti i te para me te utu.
I te nuinga, he tūranga nui tō ngā mīhini hanga whata poutū i roto i te hanga whata rokiroki, ā, e whakamahia whānuitia ana i roto i te umanga.