> Also, what would be a good general purpose abrasive to use for automotive
> restoral work? I searched for a sandblasting faq, but only found company
> specific material...
Coal slag, aka "Black Beauty" or "Black Blast" was recently recommended to
me by someone I trust. Relatively safe and inexpensive (he pays $8/100lb,
which is probably a wholesale price) but effective. For example
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