EMLOYEE HAD COMPLETED HIS ASSIGNMENT FOR THE DAY & IT WAS CLOSE TO QUITTING TIME SO HE WENT TO THE WELDING SHOP WHERE THERE WAS SOME FABRICATION OF CRAWL GUARD BEING DONE. THE EMPLOYEE CUT HIS BACKSIDE OF RIGHT HAND WHEN IT STRUCK A PIECE OF ANGLE IRON THAT HAD A SAW CUT 45 DEG. END, CREATING A SHARP EDGE.