{HEAD ~ The metals} containing {TAIL ~ mesogens} are heated to a temperature sufficient to cause fusion to produce a metals containing mesophase pitch 
containing
{ HEAD ~ The metals } containing { TAIL ~ mesogens } are heated to a temperature sufficient to cause fusion to produce a metals containing mesophase pitch
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH