INJURED WAS WALKING ON THE LONGWALL FACE AS SHIELDS WERRE BEING BATCHED. AS 180 SHIELD ADVANCED THE RING MAIN HOSE BECAME CAUGHT UNDER THE SHIELD CAUSING A 1/2"" HOSE TO PULL OUT OF A FITTING. HYDRALIC OIL SPRAYED AND STRUCK HIS RIGHT LEG FRACTURING THE TIBIA AND FIBULA.