Conducting {HEAD ~ layer} 102 may comprise {TAIL ~ a layer} of metal foil 104 or may comprise a mesh of conductors 106 
comprise
Conducting { HEAD ~ layer } 102 may comprise { TAIL ~ a layer } of metal foil 104 or may comprise a mesh of conductors 106
OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH