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ʻO ka lawelawe hoʻoheheʻe kila-ʻoihana ʻāpana mīkini pololei
ʻO ke kila kekahi o nā mea i hoʻohana pinepine ʻia no nā ʻāpana mīkini hana.Loaʻa iā ia nā waiwai like ʻole, a ʻo kāna mau mea nui he hao a me ke kalapona.ʻO ke kila ka hao hoʻomaʻemaʻe.Kāhea mākou i ka hao hao.I mea e hōʻoiaʻiʻo ai i kona ikaika a me ka plasticity, ʻaʻole ʻoi aku ka nui o ke kalapona ma mua o 1.7%.Ma waho aʻe o ka hao a me ke kila,ʻo nā mea nui o ke kila he silicon, carbon manganese, sulfur, phosphorus a pēlā aku.
