Ko ngā hua polypropylene kua whakapakarihia ki te muka karāhe he rauemi kirihou kua whakarerekētia. Ko te polypropylene kua whakapakarihia ki te muka karāhe he pou matūriki he 12 mm, 25 mm rānei te roa, ā, he 3 mm te whānui. I roto i ēnei matūriki he rite te roa o te muka karāhe ki ngā matūriki, ka rerekē te ihirangi muka karāhe mai i te 20% ki te 70%, ā, ka taea te whakataurite i te tae o ngā matūriki ki ngā hiahia o te kiritaki. Ko ngā matūriki e whakamahia whānuitia ana i roto i ngā tukanga werohanga me te hanga hei whakaputa i ngā wāhanga hanganga, wāhanga-hanganga rānei mō ngā tono i roto i te motuka, te hanga, ngā taputapu kāinga, ngā taputapu hiko me te maha atu.
Ngā tono i roto i te umanga motuka: Ngā anga o mua, ngā kōwae tatau tinana, ngā anga papaaho, ngā pā hau me ngā anga whakamatao, ngā paepae pākahiko, me ētahi atu, hei whakakapinga mō ngā rauemi whakarewa kua whakapakaritia.
