Manufacturing And Production Technology
The grooving is an operation of

Reducing the diameter of a workpiece over a very narrow surface
Beveling the extreme end of a workpiece
Embossing a diamond shaped pattern on the surface of a workpiece
Enlarging the end of a hole cylindrically

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Manufacturing And Production Technology
The facing is an operation of

Reducing the diameter of a workpiece over a very narrow surface
Embossing a diamond shaped pattern on the surface of a workpiece
Beveling the extreme end of a workpiece
Machining the ends of a workpiece to produce a flat surface square with the axis

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