EE STATED THAT THE COAL CRUSHER IN THE PREP PLANT SAMPLING BLDG. HAD GOBBED OUT. HE PLACED A PRY BAR INTO THE SLOT SO AS TO PRY OPEN THE CRUSHER. AS HE WAS PULLING DOWN ON THE PRY BAR IT SLIPP ED OUT & STRUCK THE RT. CHEEK BONE AREA ON HIS FACE. LACERATION (SUTURED) ON FACE AND COMPLAINS OF BACK/LEG PAIN.