{HEAD ~ The interconnects} 4 can be exemplified by {TAIL ~ the same materials} as described above 
exemplified by
{ HEAD ~ The interconnects } 4 can be exemplified by { TAIL ~ the same materials } as described above
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH