The new product stream containing ethylbenzene may then be sent to {TAIL ~ the existing styrene production facility} for further processing to form {HEAD ~ styrene} 
The new product stream containing ethylbenzene may then be sent to { TAIL ~ the existing styrene production facility } for further processing to form { HEAD ~ styrene }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD