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Metallurgy & Metalworking
ʻO nā noi ea i hoʻopaʻa ʻia i ka hana metala, hiki i nā compressors ke hāʻawi i ka mana ea e hoʻohana ʻia e like me nā kapuahi puhi, ka hana coke, ka umu oxygen, ka hui ʻana o ka ea, ka mālama wela a me ka hoʻomaha. Nā huahana i manaʻo ʻia ...Heluhelu hou aku
