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