ʻO nā noi ea i hoʻopaʻa ʻia i ka hana metala, hiki i nā compressor ea ke hāʻawi i ka mana ea e hoʻohana ʻia e like me nā blast furnaces, coke production, oxygen furnace, ea hui, mālama wela a me ka hoʻomaha. Nā huahana i manaʻo ʻia ...
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