{HEAD ~ The catalyst carrier} formed of this honeycomb unit 130 has {TAIL ~ a high conversion rate} 
has
{ HEAD ~ The catalyst carrier } formed of this honeycomb unit 130 has { TAIL ~ a high conversion rate }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL