42 CONSULTING AND TECHNICAL ASSISTANCE SERVICES IN CONNECTION WITH THE SELECTION, OPERATION, AND DESIGN OF NON-DESTRUCTIVE TESTING EQUIPMENT IN THE FIELDS OF ULTRASONICS, RADIOGRAPHY, LEAK DETECTION, ACOUSTIC TRANSMISSION AND THE LIKE; DISTRIBUTORSHIP AND MAIL ORDER SERVICES IN CONNECTION WITH NON-DESTRUCTIVE TESTING EQUIPMENT IN THE FIELDS OF ULTRASONICS, RADIOGRAPHY, LEAK DETECTION, ACOUSTIC TRANSMISSION AND THE LIKE; AND ULTRASONIC INSTRUMENT RENTAL