THE EE WAS DRAGGING ROLLERS FOR A BELTLINE FROM THE BELT TO THE NEXT ENTRY TO BE LOADED INTO A SCOOP. AS HE WAS DRAGGING THE ROLLER, IT CAUGHT ON ANOTHER ROLLER AND JERKED HIS ARM. HE SPRAINED HIS ELBOW. HE WAS NOT AWARE THAT THE ROLLER WAS GOING TO CATCH ON ANOTHER ROLLER. NO OTHER FACTORS WERE INVOLVED.