MAJOR_Screening1
Major’s program involves hands-on training with a 6-ft. x 20-ft. screen box, training participants to spot and diagnose problems in the field. Photo courtesy of Major
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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