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A number of interactive experiences were available at MINExpo 2021, including this one in the Caterpillar booth. Photo: P&Q Staff
About the Author: Kevin Yanik
Kevin Yanik is editor-in-chief of Pit & Quarry. He can be reached at 216-706-3724 or kyanik@northcoastmedia.net.Subscribe to Pit & Quarry
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