He waka pūhā nui i te hāpuku me te rauropi, e hanga ana ki te whakatiki i te hāpuku nui, he rauropi matua me te rauropi kaiwhakaroto. Ko te hanganga o ngā wāhi hāpuku ka tirohia ngā rerekētanga e āhei ana ki te whakarite i ngā rauropi e āhei ana ki te whakamutu i ngā uku o te rauropi, pērā i te paoro 316 inoi tuatahi rānei ko te paoro - herehere fluoropolymer. E āheinga ana ngā waka nei i ngā momo tiaki oranga matua, pērā i ngā raraunga whakamahue, ngā pūtonga whakawhana i te pāpori, me ngā tūtohitanga whakamahue ahi. Me rongo ngā waka pūhā hāpuku i ngā tikanga whakatiki moana tino whakahē, hei whakawehe i ngā mahue me te tiaki i te oranga o ngā kaiwhakahaere me te taiao. He pai ki ngā whenua e hīnaki ana i te hāpuku mō ngā mahi katoa, pērā i te hanga pōro rānei me te whakatikihia i te mata.