CRUSHER CREW MOVING A CONVEYOR SECTION USING A TRACKHOE WITH A 2 PART SLING & HOOK ASSEMBLY. AFTER DISCONNECTING THE CONVEYOR SECION & SETTING IT ON THE GROUND THE HOOKS WERE REMOVED FROM THE CONVEYOR. THE HOE OPERATOR SWUNG BUCKET, ONE OF THE HOOKS CAUGHT IN THE CONVEYOR FRAME & SWUNG CONVEYOR INTO EE STRIKING HIM IN LOWER LEG.BROKEN BONES IN LEFT LEG & RIGHT ANKLE