In another embodiment, {HEAD ~ a unitary distributor} has an annular ring located at the axially forward end of {TAIL ~ a distributor ring body} 
In another embodiment , { HEAD ~ a unitary distributor } has an annular ring located at the axially forward end of { TAIL ~ a distributor ring body }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL