There is every reason to believe that concrete has a brilliant future. The greatest danger is the possibility of hindrance from shortsighted interests within the concrete men's ranks and above all the danger of believing complacently that our product, having stood the test of time, cannot be improved. Shortsightedness occurs when concrete men blame everything else then themselves for the poor quality of concrete. Everyone must do the best job they know how to for the good of the industry. No good will be done if the aggregate producer furnishes poorly graded aggregates or aggregates of poor quality. Nor will it help if the contractor is not observing good concreting practices. The ready mix producer will in the long run save himself considerable money and also provide proof of the quality of his concrete if he will set up an adequate system of concrete quality control. The cement producer can do himself and the industry very material harm by urging unnecessarily high cement contents and discouraging the use of any material which might help to produce entirely adequate concrete with lower water and cement contents. And the admixture producer should promote the use of his material where it has real merit and should refrain from placing himself in the class of the old time medicine man with a cure for any and all of the ills of concrete. Education is also very important. Ignorance concerning the origin and use of portland cement is truly astonishing within the industry to say nothing of the man on the street. To insure to future for concrete we need to concentrate on a vigorous educational program for all concrete workers and for all stages of concreting operations.
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