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Show KEEP ROADS FROM CRACKING Heavy Sheets of Steel Fabric Are Now Imbedded In Most Improved Types of Concrete. Flat sheets of heavy steel fabric are now Imbedded In the most Improved types of concrete roads to Increase their life. The state highway departments depart-ments of both New York and Pennsylvania Pennsyl-vania have been so thoroughly convinced con-vinced of the value of the Innovation that hereafter the flat reinforcements will be specified In all contracts let by them, says Popular Mechanics Magazine Maga-zine in an Illustrated article. Of even greater significance Is the use of a contraction joint In the center of the road. |