THE EMPLOYEE WAS RUNNING CEMENT IN ALLEY 4. CEMENT IN THE BIN FELL FROM THE SIDES OF THE BIN AND MADE AN UNCONTROLLABLE RUSH AT THE GATES. THE EMPLOYEE CLOSED THE GATES BUT THE CEMENT SQUIRTED OUT OF THE CHUTE ALLEGEDLY HITTING THE EMPLOYEE IN THE RIGHT SIDE IF THE FACE, CAUSING CEMENT DUST TO GET BEHIND HIS SAFETY GLASSES INTO HIS RIGHT EYE.