just an article on history of cement

05-03-2011, 01:34 PM	#1
amakarevic Member   Join Date: Apr 2007 Posts: 2,073	just an article on history of cement i guess i'm a construction geek http://www.understanding-cement.com/history.html

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05-03-2011, 02:06 PM	#2
rossfingal "Nail-Bender"   Join Date: Mar 2011 Location: Western suburbs, Chicago, Il. Posts: 2,114	just an article on history of cement Thanks! Cool! rossfignal