{HEAD ~ The cap} is sealingly secured against {TAIL ~ the body member} so as to define a pressurizable cavity in the hollow between the cap and the diaphragm, and the cap having a rigid stem protruding therefrom with a fluid passage extending through the stem and into fluid communication with the cavity 
{ HEAD ~ The cap } is sealingly secured against { TAIL ~ the body member } so as to define a pressurizable cavity in the hollow between the cap and the diaphragm , and the cap having a rigid stem protruding therefrom with a fluid passage extending through the stem and into fluid communication with the cavity
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH