RETURNING BACK TO WORK AFTER LUNCH BREAK, HE ENTERED THROUGH THE SIDE DOOR WHERE A GUST OF WIND BEGAN TO SLAM DOOR CLOSED. MECHANIC REACHED BACKTO TRY TO STOP DOOR BUT CAUGHT RIGHT MIDDLE FING ER BETWEEN DOOR AND DOOR JAM, SMASHING FINGER. CUT END OF FINGER AT AN ANGLE FROM TIP TO FIRST JOINT FROM END.