EE WAS REPAIRING THE CHUTE ON 4896 BELT LINE. WELDING A PLATE ALONG THE BOTTOM OF CHUTE. HE WELDED ONE END OF PLATE TO THE CHUTE, THEN USED A WELD ON CLAMP TO PULL THE GAP OUT OF THE OTHER END . THE WELD HOLDING THE CLAMP BROKE, RELEASING THE GREE END OF THE PLATE FORCING HIS HAND BACK AGAINST THE OPPOSITE SIDE OF THE CHUTE.