EE WAS TROUBLE SHOOTING PROBLEMS WITH CONVEYOR #18. HE WAS STANDING OUTSIDE THE MOTOR CONTROL CENTER. HE STEPPED BACKWARD TO SEE AND HEAR IF THESTARTER SWITCH WAS ENGAGING ON CONVEYOR #18. HE TRIPPED OVER THE CORNER OF THE SKID STEER LOADERBUCKET WHICH WAS PARKED. HE TWISTED AND FELL TO THE GROUND, HE TRIED TO CATCH HIMSELF INJURING HIS RIGHT WRIST.