Halabuurka lebenka korundum

Lebennada Corundum, lebennada corundum waxay tixraacaan lebennada dib-u-celinta leh ee aluminiumka ah ee aan ka yarayn 90% iyo corundum oo ah wejiga ugu muhiimsan, kaas oo loo qaybin karo leben leben ah oo isku dhafan iyo leben corundum oo isku dhafan.