Ma'a taua safaira fa'apitoa
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Meafaifaa piniki pisa maa taua Corundum mo mama po'o asoa
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Lanu violē safaira Al2O3 mea mo maa taua
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Lanumeamata safaira mo maa taua lanumeamata olive fa'apitoa 99.999% Al2O3 fa'apitoa
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99.999% Al2O3 safaira lanu mumu maa taua
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Mea lanu mumu Korundum fa'apitoa mo mea taua muamua lanu piniki mumu
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O le mea e fai ai le lanu mumu o le Pigeon ua fa'afefiloi i le Ti3+ Cr3+ mo le tioata o le uati ma'a taua.