EE WAS TEAMED UP WITH A FELLOW EE STACKING BELTLINE TOP ROLLERS. WHEN THEY TURNED TO STACK THE ROLLERS, EE LOST HIS BALANCE AND PUSHED THE ROLLER INTO INJURED. INJURED LOST BALANCE AND FELL ON HIS HAMMER WHICH HE WAS CARRYING IN HIS BELT. THE INJURED BROKE 1 RIB ON HIS LEFT SIDE.