Answer is:
reducing the diameter of a work piece over a very narrow surface
Answer is:
machining the ends of a work piece to produce a flat surface square with the axis
Explanation:
Facing Operation. Facing is the process of removing metal from the end of a workpiece to produce a flat surface. Most often, the workpiece is cylindrical, but using a 4-jaw chuck you can face rectangular or odd-shaped work to form cubes and other non-cylindrical shapes
Answer is:
knurling
Explanation:
The operation of producing patterns on cylindrical external surface by pressing a tool is known as Knurling.
