{TAIL ~ a layer} of a second conductive metallization on either side of the pair of {HEAD ~ layers} of the electrodisplacive material 
{ TAIL ~ a layer } of a second conductive metallization on either side of the pair of { HEAD ~ layers } of the electrodisplacive material
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH