Wehewehe: haʻahaʻa wela kila paipu mea medium carbon structural kila.ʻO ke anuanu a me ka wela a me ka haʻahaʻa haʻahaʻa o nā paipu kila he hana maikaʻi, nā waiwai mechanical maikaʻi, ke kumu kūʻai haʻahaʻa a me nā kumu ākea, no laila ua hoʻohana nuiʻia.ʻO kona nāwaliwali nui loa ʻo ia ka mea hana ...
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