EE HAD JUST INSTALLED A BOLT IN HIGH AREA USING A LONG BOLT WRENCH TO TIGHTEN IT WHEN THE DRILL HEAD WAS LOWERED IT RUBBED AGAINST THE CANOPY JACK CAUSING THE HEAD TO MOVE ABRUTLY. THE WRENC H IN THE DRILL HEAD STRUCK EE ON THE BILL OF HISHARD HAT, DRIVING IT AGAINST HIS SAFETY GLASSES THE IMPACT AGAINST THE GLASSES CAUSED A CUT ON HIS EYELID