MISSOURI GENERAL ASSEMBLY

Wren received a grant from EIERA to purchase equipment to make retaining walls using tires and concrete. The machine compresses between 120 and 140 waste tires into a bail and then he puts the bail into a form and pours in concrete, which makes a retaining wall. By using the tires this cuts down the weight from 30,000 pounds to around 13,000 ... ................
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