cement

KMOX/Brett Blume

Construction Workers Hit Hard By Week-Long Heat Wave

Work slows as workers are required to take more breaks, spend less time in extreme heat.

07/06/2012

Missouri Dept. Of Transportation Tests Smog-Eating Concrete

This new cement absorbs smog, uses sunlight to break it down, and releases it as nitrogen and carbon dioxide.

10/07/2011

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