TWO WORKERS WERE DOING REPAIR WORK ON THE TOP DECK OF THE TELESMITH SCREEN WHICH REQUIRED SOME WELDING. ONE WAS HELPING HOLD THE METAL TO BE WELDED INTO PLACE WHILE THE OTHER DID THE WELDING. HE APPARENTLY SUFFERED SOME FLASH BURNS WHILE THE METAL WAS BEING TACKED INTO PLACE EVEN THOUGH HE WAS IN THE OPEN & NOT LOOKING DIRECTLY AT THE ARC. HE DIDN'T HAVE DIFFICULTY UNTIL THAT NIGHT