From the National Precast Concrete Association (NPCA) "Precast Express" eNewsletter May 6, 2016. Each day our skin can be exposed to the...

From the Portland Cement Association site, "Bugholes are surface voids that result from the migration of entrapped air (and to a lesser...

Test12323

Have you ever played a game with others and in the middle of the game they start changing the rules? Frustrating, isn’t it? Or maybe you...