Rīpene Kupenga Poreihana Whatu

He mata motuhake te kupenga pēhi hei whakakore i ngā mirumiru hau e puta mai ana i te wā whakaputa o ngā paipa me ngā tāke muka karāhe e takai ana i te miro. Nō reira, ka whakanui ake i te whakawhāititanga o te hanganga, inā koa ko tana mahi hei ārai matū (raina), ka taea ai te whakaputa hua kounga teitei ake.

Ka whakamahia te kupenga hei pēhi i ngā mirumiru hau e puta ake ana i te wā e hangaia ana te paipa GRP, kia puta ai he mata kiato, maeneene hoki, kia whiwhi ai i tētahi hua kounga teitei me te utu iti.