Paipa porowhita piauau paipa whakarewa

E rua ngā momo o ngā paipa rino piauau: te whakapūmau wera me te whakapūmau hiko. He matotoru te paparanga whakapūmau wera, he iti te utu mō te whakapūmau hiko, ā, kāore i te tino maeneene te mata. Paipa whakarewa pupuhi hāora: e whakamahia ana mō ngā paipa whakarewa pupuhi hāora, ko te nuinga he paipa rino whakarewa he iti te diameter, e waru ngā whakatakotoranga mai i te 3/8 ki te 2 inihi. Whakamahia he 8, 10, 15, 20 rānei. He mea hanga ki te rīpene rino 195-Q235, hei ārai i te waikura, me whakahaere he maimoatanga whakarewa.

Ko te paipa whakarewa wera-tuku-wera he mea hei whakaoho i te konganuku rewa ki te rino hei hanga i tētahi paparanga koranu, kia honoa ai te koranu me te paninga. Ko te whakapūmau wera-tuku-wera he whakapūmau i te paipa maitai i te tuatahi. Hei tango i te waikura rino i runga i te mata o te paipa maitai, i muri i te whakapūmau, ka horoia ki roto i tētahi tāke me te wai konutea konutea, te wai konutea konutea rānei, he wai whakaranu rānei o te konutea konutea me te konutea konutea, kātahi ka tukuna ki roto i te tāke whakapūmau wera-tuku-wera. Ko ngā painga o te whakapūmau wera-tuku-wera he paninga ōrite, he piri kaha, he roa te ora mahi.

He whakapūmau hiko te whakapūmau makariri, ā, he iti noa te nui o te whakapūmau, 10-50g/m2 noa iho, ā, he kino rawa atu tōna ātete ki te waikura i ērā o ngā paipa whakapūmau wera-tuku.