EMPLOYEE ALLEGES THAT WHILE HE WA OPERATING THE SAND DRYER, HE FELT A CONGESTION ALL OVER HIS FACE AND IMMEDIATELY THE LEFT SIDE OF HIS FACE BEGAN TO SWELL. THE SWELLING BEGAN TO RECEDE, BUT H E FELT A SHARP PAIN IN HIS LEFT LEG WHICH CAUSEDTHAT HE CANNOT WALK PROPERLY.