i guess i'm a construction geek http://www.understanding-cement.com/history.html
A amakarevic · Registered Joined Apr 12, 2007 · 2,316 Posts Discussion Starter · #1 · May 3, 2011 i guess i'm a construction geek http://www.understanding-cement.com/history.html
R rossfingal · Registered Joined Mar 20, 2011 · 2,781 Posts #2 · May 3, 2011 Thanks! Cool! rossfignal
