{HEAD ~ An example internal valve} includes {TAIL ~ a body} having a valve seat disposed between an inlet and an outlet 
includes
{ HEAD ~ An example internal valve } includes { TAIL ~ a body } having a valve seat disposed between an inlet and an outlet
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH