EE WAS LOADING WET BAGS INTO DAY BOX ON 3631 FORD BOX TRUCK. WHEN PUTTING BAGS ON TRUCK, HE HIT HIS HAND (FINGERS BACK SIDE) ON A SHARP PIECE OF METAL. THE METAL HAD BECOME WORN OVER PERIOD OF TIME. THE EE RECEIVED LACERATIONS THAT REQUIRED STITCHES, EE DID NOT MISS ANY DAYS WORKED (MEDICAL ATTENTION ONLY.