{HEAD ~ The compliant plate members} define {TAIL ~ a sealing ring} between the stationary housing and a rotor 
define
{ HEAD ~ The compliant plate members } define { TAIL ~ a sealing ring } between the stationary housing and a rotor
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH