@opcmiaintl : Concrete is an ageless building material but it is also undergoing constant innovation. Read about two recent advances: https://t.co/AQiwBQe81a

Concrete is an ageless building material, but it is also undergoing constant innovation. Read about two recent advances: https://t.co/AQiwBQe81a

— OPCMIA International (@opcmiaintl) April 14, 2020

April 14, 2020 at 07:30AM
via Twitter https://twitter.com/opcmiaintl Concrete is an ageless building material, but it is also undergoing constant innovation. Read about two recent advances: https://ift.tt/2XGX0hH

from
http://www.join-union.com/home/opcmiaintl-concrete-is-an-ageless-building-material-but-it-is-also-undergoing-constant-innovation-read-about-two-recent-advances-httpstcoaqiwbqe81a