local utilities / particular site / work site / state law / particular job site / metal sheets / excavation site / increased insurance fees / local utilities protection service / steel / /
Organization
Agricultural Administration / Ohio State University / U.S. Department of Agriculture / U.S. Department of Labor / The Ohio State University / Occupational Safety and Health Administration / /
Person
Thomas Bean / Peter Ling / Michael Wonacott / Agricultural Safety / Keith L. Smith / / /
Position
author / Program Director / supervisor / Director / Vice President / Research Specialist / Greenhouse Specialist / Specialist / /
AEX[removed]Agricultural Safety Program, 590 Woody Hayes Drive, Columbus, OH[removed]Trenching and Excavation Safety Objective: Demonstrate safe trenching and excavation.