Kodi kusiyana pakati pa corundum ndi alumina?

Madzulo abwino, corundum ndi dzina lodziwika bwino la alumina, monga ma crundum crucibles omwe amagwiritsidwa ntchito potentha kwambiri pazida zamankhwala, ndipo mipira ya aluminiyamu imatchedwanso mipira ya corundum ya mphero ya pulaneti ya tinthu tolimba. Aluminiyamu olimba ndi olimba komanso osavala pambuyo pa sintering.