Ngā rawhi ngongo takiruaHe whiringa rongonui ēnei mō te whakau i ngā ngongo i roto i ngā momo mahi nā te mea he pono, he kaha hoki. Kua hangaia ēnei rawhi hei pupuri i ngā ngongo ki tōna wāhi tika, hei ārai i ngā turuturu, hei whakarite hoki i te mahi tino pai i roto i ngā momo taiao. I roto i tēnei pou rangitaki, ka tūhuratia e mātou ngā momo rawhi ngongo takirua, ā rātou rauemi, me ā rātou mahi.

He maha ngā momo rauemi e wātea ana mō ngā rawhi ngongo pūrua, ia rauemi e tika ana mō ngā mahi motuhake. Ko te rawhi momo W1, he mea hanga ki te maitai waro piauau, he otinga ohanga, he maha hoki ngā mahi. Ko ēnei rawhi he mea whakakikorua ki te konutea kōwhai, mā rānei hei whakarei ake i te ātete ki te waikura, kia pai ai mō ngā mahi o roto, mō ngā taiao iti te makuku rānei.

Mō ngā tono uaua ake, he pai rawa ngā rawhi W4 i hangaia ki te maitai kore waikura SS201, SS304 rānei. He tino ātete ēnei rauemi ki te waikura, ā, he pai mō te whakamahi i ngā taiao e hiahiatia ana te pā atu ki te wai, ki ngā matū rānei. He rongonui te SS304 mō tōna pakari me tōna ātete ki te waikura, ā, he mea pai mō te tukatuka kai me ngā tono moana.

Mō ngā taiao tino uaua, he pai rawa ngā rawhi W5 i hangaia ki te maitai kore waikura SS316. He tino pai te ātete a te SS316 ki te waikura, inā koa ki ngā pūhaumāota me ētahi atu matū waikura, ā, he pai mō ngā ahumahi moana, matū, me te rongoā.

Hei whakarāpopototanga, he mea nui ngā rawhi ngongo pūrua-rua i roto i te whānuitanga o ngā mahi, mai i te motuka ki te ahumahi. Mā te mārama ki ngā momo me ngā rauemi rerekē (W1, W4, me te W5) ka āwhina i a koe ki te whiriwhiri i te rawhi tika mō ō hiahia. Ahakoa he rawhi konukōre taketake, he rawhi maitai kore waikura teitei rānei e hiahiatia ana e koe, he rawhi ngongo pūrua-rua hei whakatutuki i ō hiahia.