EMPLOYEE WAS CHANGING MUFFLER ON FUEL TRUCK WHENTHE AIR IMPACT WRENCH THAT HE HAD SITTING ON THEFRAME OF THE TRUCK ABOVE HIM FELL TO THE FLOOR HITTING HIS LEFT FINGER TIP. HE WAS TAKEN TO THE CENTER FOR OCCUPATIONAL HEALTH, WHERE HE WAS EX-AMINED AND DIAGNOSED WITH A FRACTURE TO THE FINGER.