{TAIL ~ The exhaust system} may have {HEAD ~ a diffuser} configured to receive exhaust from an engine 
{ TAIL ~ The exhaust system } may have { HEAD ~ a diffuser } configured to receive exhaust from an engine
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH