EE WAS CLEANING THE DUST COLLECTOR AIR DUCTS ON 4 AND 5 DUST COLLECTOR. HE OPENED CLEANOUT DOOR AND WHEN INSERTING THE WATER HOSE, HE DIDN'T NOTICE THAT HIS ARM WAS SO CLOSE TO THE STEAM TRACI NG, HE TOUCHED HIS INNER RIGHT ARM ON THE STEAM TRACING, WHICH CAUSED 2 BURNS ABOUT 2 1/2"" LONG BY 3/4"" WIDE.