THE EE WAS INJURED USING A PNEUMATIC AIR GUN TO FRAME A WALL IN THE LAB. THE NAIL GUN DOUBLE FIRED WHILE THE EE WAS HOLDING A STUD AGAINST THE TOP PLATE OF THE FRAME. A 16 PENNY FRAMING NAIL W ENT THROUGH THE FLESHY TIP OF THE EE'S MIDDLE FINGER AND PUNCTURED HIS RING FINGER.