ʻŌpala
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Hana ʻia ma Kina nā ʻāpana ʻokoʻa mīkini mahiʻai, 65mn a me 30MnB5 palau mahiʻai kiʻekiʻe a me nā ʻō, nā wahi pili lepo e pili ana i ka pūnāwai
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Aia nā kaʻina hana forging a me ka hoʻolei ʻana, nā lau palau mānoanoa a kūpaʻa i ke komo ʻana
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Hoʻohana nā mea pono mīkini mahiʻai ikaika kiʻekiʻe i nā ʻōpala wāwahi lepo, nā ʻōpala wāwahi lepo, nā palau, a me nā ʻōpala
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Kaʻina hana lapaʻau wela o ka pahi palau mānoanoa
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ʻO ka mea holoi mahiʻai i hana ʻia ma 65 Mn, 60Si2Mn, 30MnB5 Boron Steel me ka mālama wela a me ka pena ʻana
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ʻO ka ʻō palau kila boron mānoanoa he kūpaʻa i ka hopena a ʻaʻole e haki
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ʻŌpala Mahiʻai ʻŌpala o nā ʻŌpala no nā ʻāpana ʻokoʻa o ka mahiʻai ʻŌpala Mahiʻai a me ka pahi ʻōpala
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Nā ʻāpana ʻokoʻa o ka mīkini mahiʻai Chisel Break Shovel
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Hana ʻia me nā mea kiʻekiʻe, ʻo nā hiʻohiʻona kūʻai maikaʻi loa e komo pū ana me 5 * 40 mau wēlau palau, 6 * 45 mau wēlau palau, a me 10 * 32 mau niho puna me nā ʻō palau 230 × 6 e kūlike ana, 150 * 4 mau ʻō palau, a me 175 * 4 mau ʻō palau.