Keith Clarke and Aaron Ayoso were debating the merits of polymer-enhanced concrete repair alternatives (too expensive, Ayoso ruled). The three of us were leaving a seminar at World of Concrete, a trade show held every January in Las Vegas by the same company that publishes the magazine you're reading right now. More than 90,000 people—some from departments like yours—spread out over several miles of exhibit area to bone up on the latest products and processes and test their hand-eye coordination on equipment ranging from skid-steer loaders to ready-mix trucks.
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