EMPLOYEE WAS GETTING INTO BUS TO SIT IN A SEAT THAT HAD BEEN PUT IN FOR COMFORT. THE SEAT WAS LOOSE AND WHEN THE EMPLOYEE GOT IN THE SEAT IT ROCKED BACK, CAUSING THE EMPLOYEE TO THROW HIS HAND BACK TO CATCH HIMSELF AT THE SAME TIME ANOTHER EMPLOYEE WAS CLOSING THE LID ON HIS TOOL BOX & CUT FIRST EMPLOYEE'S LEFT RING & BABY FINGER.