{HEAD ~ The ports} 26 convey {TAIL ~ the admitted gas} from the maximum diameter portion of the channel 14 into the portion 23 which surrounds the section 31 of the nozzle 30 
convey
{ HEAD ~ The ports } 26 convey { TAIL ~ the admitted gas } from the maximum diameter portion of the channel 14 into the portion 23 which surrounds the section 31 of the nozzle 30
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH