42 Custom design and engineering of medical devices; Custom design and engineering of electronic components for medical devices; Custom design and engineering of radio frequency generators for medical devices; Design and testing for new product development; Scientific and technological services, namely, research and design in the field of electronic medical devices; Scientific and technological services, namely, design and manufacture in the field of electronics for medical devices; Scientific and technological services, namely, design and manufacture in the field of radio frequency-based medical devices and components thereof; Scientific and technological services, namely, design and manufacture in the field of radio frequency generators for medical devices