Abrasive
material · 30000 BC · Stone Age
A hard material for grinding (corundum, carborundum).
Principles and materials it uses
- Friction — uses. Removing material by friction.
Where it is used
- Grinding machine — is used in. An abrasive wheel.
- Sandpaper — is material for. An abrasive.
- Waterjet cutting — is used in. An abrasive.