EE WAS TIGHTENING A TURNBUCKLE CONNECTED TO A CABLE ON A CONVEYER BELT ELEVATED 10 FT ABOVE GROUND. THE BOLT ON TURNBUCKLE BROKE, THE FORCE HE WAS APPLYING TO THE TURNBUCKLE PROPELLED HIM OFF THE CONVEYER TO THE GROUND. THE EE LANDED PRIMARLY ON HIS RIGHT ARM AND HIP. RESULTED IN A FRACTURE TO NAVICULAR BONE IN WRIST AND PROXIMAL HEADOF HIS RADIUS. IN CAST ABOUT 12 WEEKS.