Kohatu hapira hangai
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He kohatu kōhatu korunuma mō te mowhiti, mō te hei rānei, he mea hanga ki te hapaira māwhero pītiti.
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Rauemi hapaira papura tae papura Al2O3 mō te kohatu utu nui
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Kakariki hapaira mō te kōhatu kōhatu oriwa horihori 99.999% Al2O3 horihori
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99.999% Al2O3 hapaira tae whero rupi kohatu utu nui
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Rauemi rūpi Koronuma horihori mō te kohatu utu nui Rauemi taketake Whero māwhero
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He rauemi toto whero o te pigeon kua pania ki te Ti3+ Cr3+ mō te karāhe mataaratanga kohatu utu nui.