What is the grinding wheel of the grinder for the grinding wheel
The grinding wheel waste of diamond, that's not bad.I hope my answer will help you.
How much of a circular arc you want to make is a little bit smaller. Bring a mask, remove gloves, and be safe
Scrap wheel or diamond wheel pen. First, the surface of the outer surface is made, and the Angle is used to grind the cuttings in two corners