OK what is the diferance between carbide and powdered metal ?
On Mon, 30 Jan 2006 23:45:11 GMT, BottleBob wrote:
Cliff wrote:
Try this:
Pumice, obsidian, and scoria are glasses:
True [X]
False [ ]
Cliff:
That didn't hurt at all. Now your turn.
Good.
There are many glasses G.
Why did you object to these?
--
Cliff
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