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Budada Aumina ee firfircoon (α-Al2O3)
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Alumina Firfircoon oo loogu talagalay Wakiilka Kala-saarista PE
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Alumina firfircoon oo joogto ah oo la dahaadhay
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Waxyaabaha lagu daro ee wax laga beddelay Alumina-da firfircoon
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Qaadaha Catalyst-ka Cufnaanta Badan ee Yar
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Wakiilka Ka-saarista Alumina ee Firfircoon
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Alumina Catalyst ee Haydarojiin Peroksaydh oo ay samaysay Anthraquinone
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Heerkulka dulqaad leh ee Co Side-ka Saarista Saarista Baaruudka
