Alumina (Al2O3) babban amfani
Semiconductor masana'antu sassa kayan aiki (sassarar rami, rufi flanges, etching kayan aiki sassa, wafer matsa);sassa (classifier, iska kwarara niƙa, dutsen dutse niƙa);Abubuwan da aka haɗa na masana'antu na yau da kullun (mashin sarrafa Laser bututun ƙarfe, shaft mai jujjuyawa, ɗaukar nauyi);Babban madaidaici, daidaito, kayan aikin ƙarfe masu jure zafin zafi (madaidaicin matsayi, ƙa'idar taro);Saka sassa masu juriya (nadi mai jagora na injin zane na waya, tashar waya ta karfe, dogo jagora);Sassan rufin lantarki (insulators, gaskets, bushings).