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more brick post..correction

updated wed 6 may 09

 

Stephani Stephenson on tue 5 may 09


I said=3D20
"but usually the precise mixing=3D20
proportions were very critical as to require stringent controls."

i meant to say
but usually the precise mixing=3D20
proportions were NOT very critical as to require stringent controls."=
=3D


Steph