Ka whakamahia ngā urutau porowhita kowiri tira hei tāpiri i ngā kete whakairi paerewa ki ngā poupou porowhita, ki ngā pou, ki ngā paipa, me ētahi atu hanganga tautoko porowhita. Whāia noa te urutau porowhita mā roto i te mokowā kua pokaia i mua i runga i ngā kete whakairi paerewa, ka whakamau ki tōna tūranga. E mōhiotia ana hoki ngā urutau porowhita ko ngā rawhi ngongo, ko ngā taputapu noke rānei.
● He rauemi kowiri tira kounga teitei.
● Ngā hua kua whakaritea, ā, he ngāwari te tāutanga.
● He pai mō ngā paipa rerekē te rahi, te urutau whakapiri, te urutau tū.
| Ngā Āhuatanga Mema Porowhita | |
| Tauira | WAEA-RMA-6”-8“ |
| Diameter Hototahi | Pūreretā Āpiti Porowhita 150-200 mm |
| Rauemi | Kowiri tira |
| Rahi | 6-8 inihi |
| Utauta Tāutanga | E hiahiatia ana; kāore i whakaurua |
| Rahinga Mōkihi | 10 PC |
| Matotoru o te Rauemi | 16.7 mm |