Kufotokozera Kwachidule:

Abrasives apamwamba a alumina ndi abrasives a utomoni amatenthedwa.

Zogulitsa: chitetezo chamankhwala, magwiridwe antchito apamwamba, kulondola kwambiri, zosagwira, zosakhazikika komanso zolimba, ndizomwe zimakhala ndi kukana kwamphamvu kwambiri, kukana kwamphamvu, kupinda kukana, kugaya mwachangu, kupera bwino, moyo wautali, ndi zina zambiri.

Chogulitsidwacho chimagwiritsidwa ntchito popangira:

Daimondi ndi utomoni chomangira ndi otentha mbamuikha kupanga mankhwala.