EE WAS LOADING 5' RESIN RODS INTO THE SUPPLY TRAY ON THE SIDE OF A ROOF BOLTING MACHINE. HE PLACED 6 OF THE RODS INTO THE TRAY AND AS HE WITHDREW HIS HANDS/ARMS HE STRUCK THE TOP OF HIS RIGHT HAND AGAINST A 9 1/2"" METAL BRACE ON THE SUPPLY TRAY RESULTING IN A CONTUSION. X RAYS WERE NEGATIVE BUT THE EE FAILED TO REPORT FOR WORK ON HIS NEXT REGULARLY SCHEDULED SHIFT 3-21-01.