WHILE GRINDING SLAG OFF ANGLE IRON THE EE'S RIGHT MIDDLE FINGER TIP WAS INJURED. THE GRINDING WHEEL GRABBED THE WORK PIECE AND SLAMMED IT DOWN AGAINST THE FRAME AND BOTTOM OF THE WHEEL. EE'S RIGHT HAND WAS HOLDING UNDER THE WORK PIECE. EE WAS TAKEN TO E.R. X-RAYS WERE POSITIVE AND THE LACERATION WAS CLOSED WITH SUTURES.