EMPLOYEE WAS USING A HAMMER TO LOOSEN A FITTING.THE HAMMER GLANCED OFF AND HIT HIE LEFT WRIST. AT THE TIME OF ACCIDENT HE EXPERIENCED NO DIFFICULTY BUT AS TIME PROGRESSED HE EXPERIENCED PROBLE MS. ACCORDING TO THE DOCTOR THIS ACCIDENT CAUSEDA CIST TO DEVELOP WHICH HAD TO BE REMOVED AND WAS REMOVED ON NOV 22, 2000.