THE EE WAS CHANGING DUST COLLECTOR BAGS IN THE VACUUM SYSTEM WASTE COLLECTOR. EACH BAG WEIGHTED APPROX. 80 TO 100 .BS. A ROPE WAS ATTACHED TO THE BAGS AND CAGES TO PREVENT THEM FROM FALLING IN TO THE WASTE BIN WHEN CLAMPS WERE RELEASED. NORMALLY, THE BAG WOULD STAY IN PLACE WHENT HE CLAMP IS RELEASED BUT THE ONE THE EE WAS HANDLING DROPPED IMMEDIATELY AND THE HAND STEADYING THE BAG