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