0N 1/5/02 EE WAS WORKING IN FEEDER BREAKER. APPOROX 10:30AM HE BREATHED IN SOME SMOKE THAT CAME FROM HIS SHOE AFTER HE HAD STEPPED ON A HOT PIECE OF METAL. THE HOT METAL WAS SLAG/SCRAP FROM AN OXYGEN/ACETYLENE CUTTING JOB HE HAD JUST PERFORMED. SUPERVISOR WENT TO PICK UP INJ EE FOR LUNCH ABOUT NOON & SAW THAT EE LOOKED ILL SUPERVISOR ASKED EE IF HE WAS OK: EE ANSWERED IT WAS JUST