EE WAS HOSING THE INCLINE SECTION OF THE SECONDARY AIR DUCT FROM THE POSITION ON THE FLAT AREA OF THE DUCT, EAST OF THE BEGINNING OF THE INCLINE. SHE TOOK A STEP BACK AND TRIPPED OVER THE HOS E SHE WAS USING CAUSING HER TO FALL. WHEN SHE FELL SHE LOST CONTROL OF THE HOSE, CAUSING NOZZLE WATER STREAM TO HIT A PILE OF DIRT. THE WATER DEFLECTED BACK HITTING HER ARMS AND FACE.