Hana ʻia ka ʻupena i ulana ʻia me ka uea kuhili ʻole kiʻekiʻe, uea nickel, uea keleawe, uea keleawe, uea Monel, uea Hastelloy a me nā uea metala ʻē aʻe e hoʻohana ana i ka ʻenehana ulana kiʻekiʻe.Nui nā ʻāpana o nā ʻano ulana.Welded wire mesh he mesh i hana ʻia e ka wili uila me ka meta...
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