Milling is a machining operation where material is removed using a rotating tool, the cutter.
Is a spark erosion machining based form of which matrial is removed with an electrode from the workpiece.
Turning is a machining technique, in which the product rotates and thereby performs the cutting movement.
A mold or die is a hollow mold. The cavity in the mold has the shape of the desired product.
Grinding is a machining technique in which material is removed using tools provided with a lot of cutting edges without fixed format.