Kugwiritsa ntchito mchenga wa brown corundum

Kugwiritsiridwa ntchito kwa mawilo akupera ndi kwakukulu kwambiri.Pali zida zopera zofanana, za bevel, zooneka ngati cylindrical kapena ngati magudumu, zomwe zimapangidwa ndi abrasives ndi zomangira monga zoumba, utomoni ndi mphira.Ikhoza kugaya ndi kudula pamwamba pa zinthu zomwe ziyenera kukonzedwa ndi kusinthasintha kothamanga kwambiri.Mchenga wa brown corundum ndiye chinthu chachikulu chopangira mawilo opera.Mawilo opera opangidwa ndi izo sikuti amakhala ndi kuuma kwakukulu, komanso amakhala ndi mphamvu yabwino yopera kuposa yopangidwa ndi zipangizo zina.