THE EMPLOYEE WAS CLEANING OUT A CHUTE TO RAW STORAGE BUILDING. THIS CHUTE WAS PLUGGED AT THE TRANSFER TOWER THAT DIVERTS LIMESTONE FROM THE BUILDING TO THE LIMESTONE TANK. THE FLOP GATE FLOPPE D HITTING THE RIVOT BUSTER AND PINNED HIS HAND TO THE WALL OF THE CHUTE BREAKING THE BONE IN HIS LEFT HAND FIFTH FINGER.