EE WAS THE GROUND HELPER FOR THE PILLAR WRAPPING OPERATION. EE WAS HELPING THE BOLTER OPERATOR STRAIGHTEN MAST HOSES ON THE FLETCHER BOLTER. THE UPRIGHT BELT POSITIONING PIN ON THE RIB BELT WR APPING ATTACHMENT BROKE UNDER PRESSURE, STRIKINGEE ON THE LEFT ARM. EE WAS NOT WORKING IN AN UNSAFE AREA.