EMPLOYEE WAS PUNCHING A HOLE IN A CONVEYER BELT WITH A BELT KNIFE. HE WAS PULLING THE KNIFE TOWARD HIMSELF. THE EMPLOYEE WAS KNEALING AT THE TIME, THE KNIFE CUT HIS LEFT LEG A FEW INCHES ABOVE THE KNEE. HE SHOULD HAVE BEEN USING A BELT PUNCH FOR THIS TASK AND CUTTING AWAY FROM HIMSELF.