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