SPILLAGE OF HOT RAW FEED OCCURRED AROUND THE FEED END SEAL OF THE KILN DUE TO A RING ON THE INSIDE. EE WAS PLACING A WATER HOSE ON THE SPILLAGE. THE MATERIAL WAS COVERED WITH A WET CRUST. THE EE STEPPED ONTO THE MATERIAL AND BROKE THROUGH THE CRUST SUFFERING SECOND DEGREE BURNS TO LOWER LEGS.