EE WAS USING A MONRAIL TROLLEY TO MOVE METAL PIECES IN THE BIN AREA. WHEN THE DOLLY EE WAS USING GOT NEAR THE END OF THE MONRAIL, IT STRUCK ANOTHER DOLLY PARKED THERE. IT KNOCKED THAT DOLLY OF THE MONRAIL BEAM WHICH STRUCK EE ON THE RIGHT SMALL FINGER, FRACTURING IT.