EE WAS GREASING A GRADER (V-JOINT) IN A CONFINED SPACE USING A COMPRESSED-AIR GREASE GUN. EE WAS HIT IN THE EYE BY GREASE WHICH CAME THROUGH THE NIPPLE AND SHOT BACK ONTO HIM. HE WAS WEARING SAFETY GLASSES BUT THE GREASE STILL MANAGED TO GET IN HIS EYE.