different between blanking vs stamping

English

blanking

blanking (plural blankings)

An instance of something being blanked out.
A metalworking process to form the rough shape of a sheet-metal workpiece.
(television) The reduction of the brightness of the scanning beam to zero when it needs to be moved without updating the picture.

stamping

stamping (plural stampings)

The sound or action of one who stamps.
- 1970, Westerly (page 44)
  But that night there were stampings, boots against the thick wall of darkness
  And when they were gone I heard the wailing of women, wives and mothers […]
A method of manufacturing using dies and extreme pressure.
A part made by such a method.

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