WHILE PERFORMING MAINTENANCE ON AN AIRLINE, A SUDDEN AND UNEXPECTED RELEASE OF AIR OCCURRED. FOREIGN MATERIAL WAS IMBEDDED IN THE EE'S LEFT HAND AND LOWER ARM. FIRST AID WAS ADMISTERED, AND TH E EE WAS TAKEN TO THE COLSTRIP MEDICAL CLINIC WHERE THE AFFECTED AREA WAS CLEANED AND A TETANUS SHOT WAS GIVEN. HE WAS RELEASED AND RETURNED TO WORK WITH NO RESTRICTIONS. NO TIME LOST.