HANDLING OF MATERIALS at Freeport-McMoRan Morenci Inc.
Employee had rested a 57"" lock ring against a tire. EE was attempting to lift the bottom half up so EE could slide it onto the top of the tire. The lock ring weighs approximately 103 lbs. As ee was lifting upward ee felt a pop in right shoulder. This task is completed on a daily basis and is routine in nature.
U.S. Mine Safety and Health Administration