"Frank Provasek" wrote in message
...
Whizzing cuts grooves in the coin like furrows from a plow (plough to
you) in the dirt. The dirt is moved, not removed.

Hardly a reasonable analogy, Frank, considering the wildly different natures
of soil vs solid metal


Scratch a coin with a sewing needle. See any "removed" metal?

Yes.
http://www.mendosus.com/whizzing/whiz-concl.html
See the "filings"?

Also, look at the illustrations at the bottom of the page.

HTH


--
Jeff R.