ʻO ka umu ahi pale ʻano pahu i hoʻolālā ʻia no ka nānā ʻana i nā mea kemika, a me nā ʻāpana liʻiliʻi o ke kila paʻakikī, annealing, tempering, a me nā mea wela wela ʻē aʻe i loko o nā hale hana o nā ʻoihana ʻoihana a me nā ʻoihana mining, nā kulanui, nā keʻena noiʻi;hiki ke hoʻohana no ka sintering o ka metala ...
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