I te whanaketanga tonu o te mākete, ka nui haere ngā hua e tukuna ana ki te hanga, ā, ka whakapaitia hoki te raina whakaputa paipa kirihou mā te rangahau me te whanaketanga tonu, ā, he rite tonu ki ngā whakaritenga o te hanganga me te hangarau hou. Ka whakapaitia te taumata hangarau, ā, he haumaru, he pono hoki te kounga o ngā hua. He whānui rawa ngā tirohanga whanaketanga.
Hei wāhanga nui o ngā rauemi hanga matū, e manakohia whānuitia ana ngā paipa kirihou e ngā kaiwhakamahi nā te mea he pai ake te mahi, he akuaku, he tiaki taiao, he iti hoki te whakamahinga. Kei roto i ēnei ko te UPVC me tetakirere pōro UPVC,Tuku wai UPVC, ngā paipa hiato konumohe-kirihou, me te polyethylene (PE). Ko ēnei momo paipa tuku wai. Kei roto i te raina whakaputa paipa he pūnaha whakahaere, he taputapu whakaputa, he pane mīhini, he pūnaha whakamatao hanga, he tarakihana, he taputapu tapahi aorangi me te anga hurihuri.
E ai ki te rangahau, ko te wāhanga mākete o ngā paipa kirihou matua o tōku whenua e 96% o ngā paipa whakamahana me te wai puna hou katoa. Ko te painga he mārama ki ētahi atu rauemi, ā, ka piki haere tonu te tere whakamahinga i roto i ngā tau torutoru e whai ake nei. I roto i ēnei, kāore ngā paipa kirihou e uru ki ngā rarangi whakakapinga i roto i ngā tau torutoru e whai ake nei nā te iti o te ātete ki te waikura me te roa o te wā whakamahinga. Nō reira, ko ngā wāhi whakaputa matua o nāianei ko te nuinga o ngā ahumahi hou, pērā i te waiariki whenua, ngā paipa hauora me ētahi atu hanganga.
He pai ngā paipa kirihou, arā, he ātete ki te waikura, he iti hoki te utu, ā, kua noho ko tētahi o ngā paipa e whakamahia whānuitia ana. Ka taea e te raina whakaputa paipa kirihou te whakaputa tere i ngā taputapu paipa, kia tere ai te whanaketanga o te hua, kia urutau tonu ki ngā hiahia o te mākete, kia rite hoki ki te hinonga. He kounga teitei.ngā paipa kirihoue noho ana i te nuinga o te mākete paipa.