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