The array of transducer elements is attached to the circuits so that {HEAD ~ the circuits} are oriented in {TAIL ~ planes} parallel with the first plane 
are oriented in
The array of transducer elements is attached to the circuits so that { HEAD ~ the circuits } are oriented in { TAIL ~ planes } parallel with the first plane
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH