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Sandblasting and silicosis
We have a coal fired steam plant close to us and "Black Beauty" is avaiable
here; a ground clinker material left after coal us burned. Comes is varouis
grades ie size. Larger grains are more aggressive and there is hardly any
dust. Is packaged in 100 pound bags and shipped lots of places you might
check local for it.
This archive was generated by hypermail 2b29 : Thu Mar 02 2000 - 22:30:41 PST