means for releasably sealing {HEAD ~ the inlet end} of the nozzle to {TAIL ~ the front end} of the tubular member with said openings in communication 
means for releasably sealing { HEAD ~ the inlet end } of the nozzle to { TAIL ~ the front end } of the tubular member with said openings in communication
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH