{HEAD ~ A plurality} of support members are attached to the housing and supportingly position {TAIL ~ the sealing ring} radially within the housing 
supportingly position
{ HEAD ~ A plurality } of support members are attached to the housing and supportingly position { TAIL ~ the sealing ring } radially within the housing
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH