EE WAS GOING TO PUT SOME WIRE FOR THE POWER MOVE. THE EE STATED HE WALKED THROUGH THE AIR LOCK CURTAIN ON THE SUPPLY ROAD. WHEN HE STEPPED INTO A SMALL HOLE ON THE OTHER SIDE OF THE CURTAIN CAUSING HIM TO TRIP/STUMBLE. HE WAS TRYING TO CATCH HIMSELF & FELL TO THE MINE FLOOR.