Each transducer can be in communication with {HEAD ~ a header} for supporting {TAIL ~ the transducer} 
for supporting
Each transducer can be in communication with { HEAD ~ a header } for supporting { TAIL ~ the transducer }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL