{HEAD ~ A double walled configuration} of {TAIL ~ the sleeve} can be provided in the sections incorporating the transmitter and the receiver 
of
{ HEAD ~ A double walled configuration } of { TAIL ~ the sleeve } can be provided in the sections incorporating the transmitter and the receiver
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH