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To:
Renfield
Amazing that they could write the whole article without once mentioning the word pozzolana.
/johnny
10
posted on
06/05/2013 9:29:07 AM PDT
by
JRandomFreeper
(Gone Galt)
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To:
JRandomFreeper
Exactly...pozzolan-based concrete has been around forever.
24
posted on
06/05/2013 11:49:55 AM PDT
by
Cuttnhorse
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