The container also has {TAIL ~ a lower tubular extension} defining an outlet port for {HEAD ~ the receptacle chamber} 
The container also has { TAIL ~ a lower tubular extension } defining an outlet port for { HEAD ~ the receptacle chamber }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD