The article itself is preferably made of {HEAD ~ synthetic material} such as {TAIL ~ fiber reinforced composite synthetic material} 
such as
The article itself is preferably made of { HEAD ~ synthetic material } such as { TAIL ~ fiber reinforced composite synthetic material }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL