HOLDING PIN WITH PLIERS WHILE ANOTHER EMPLOYEE WAS HITTING PIN WITH HAMMER. CO-WORKER MISSED PIN & HIT EE'S RIGHT WRIST (EE WENT BACK TO WORK SAME DAY, DR SAID WRIST BRUISED.) HIS WRIST KEPT H URTING AND ON 3-17-03 TOOK BACK TO DR AND WRIST WAS FRACTURED.