The ultrasonic transducer includes {HEAD ~ a cadmium sulfide crystal} with two electrodes attached to {TAIL ~ the crystal} 
The ultrasonic transducer includes { HEAD ~ a cadmium sulfide crystal } with two electrodes attached to { TAIL ~ the crystal }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL