Deburring : Goal of this process is the removal from the burrs caused by another process, like flame cutting, laser cutting, punching, etc.
Finishing : Goal of this process is making a nice surface, like stainless steel, aluminium, copper. Finishing can create 4B, Hair-Line, Non-Direction.
Calibrating : Goal of this process is the size from the products after machining, for example : marble, rubber, titanium, stainless steel, aluminium, etc.