EE WAS UNLOADING PARTS OFF OF A SUPPLY TRUCK. HE WAS PULLING ON A LARGE CARDBOARD BOX SETTING ON A SKID IN ORDER TO POSITION IT TO BE PICKED UP BY A FORKLIFT. IN THE PROCESS OF PULLING ON THE NBOX, ONE CORNER RIPPED OFF THROWING EE OFF BALANCE. HE FELL BACKWARDS OFF THE TRUCK BED. WHI8LE FALLING, HE STRUCK A BOX THAT WAS BEING MOVED BY A FORKLIFT. THEN HE FELL TO THE GROUND WITH AL