Gushyira mu bikorwa ihuza rya Alumina nka Catalyst na Utwara

Alumina yakoreshejwe nkumutwara wa Catalyst arashobora kuvugwa muburyo bukurikira ukurikije imiterere yumubiri na shimi hamwe nuruhare na alumina:

. Isoko ishobora kuba uburozi kuri sisitemu ya Catalist .

. Kurwanya Uburozi Ibiranga .

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