The one way membrane is secured to the sealing element rather than formed as {HEAD ~ an integrated part} of {TAIL ~ the nozzle body} 
of
The one way membrane is secured to the sealing element rather than formed as { HEAD ~ an integrated part } of { TAIL ~ the nozzle body }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL