{HEAD ~ The membrane} includes a bellows portion for increasing {TAIL ~ the distance} by which the membrane can be deflected in response to the given pressure increase 
{ HEAD ~ The membrane } includes a bellows portion for increasing { TAIL ~ the distance } by which the membrane can be deflected in response to the given pressure increase
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH