a housing having a housing cavity and a top plate and bottom plate enclosing said cavity, said {HEAD ~ housing} having {TAIL ~ a first and second inlet port} and an outlet port from said cavity 
having
a housing having a housing cavity and a top plate and bottom plate enclosing said cavity , said { HEAD ~ housing } having { TAIL ~ a first and second inlet port } and an outlet port from said cavity
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH