Manufacturing And Production Technology
In machining metals, surface roughness is due to

Feed marks or ridges left by the cutting tool
Fragment of built-up edge on the machined surface
Cutting tool vibrations
All of these

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Manufacturing And Production Technology
The saw milling is an operation of

Producing narrow slots or grooves on a workpiece
Producing grooves around the periphery of a cylindrical or conical workpiece
Machining several surfaces of a workpiece simultaneously
Reproduction of an outline of a template on a workpiece

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