EE WAS WAXING A CHUTE BETWEEN THE #12 REVERSIBLE BELT & THE WEST SLINGER. WHEN MOVING TO THE CHUTE HE STEPPED ON A BAG OF SALT. THE BAG OF SALT SHIFTED WHICH CAUSED THE EE TO LOSE HIS BALANCE. THE EE HEARD HIS LEFT ANKLE ""POP"" & HE FELL TO THE FLOOR. THE EE SUSTAINED A SPRAIN TO HIS LT. ANKLE.