In one embodiment, an apparatus for delivering gases to a semiconductor processing system includes a plurality of gas input lines {HEAD ~ each} having an inlet port and {TAIL ~ a plurality} of gas output lines each having an outlet port 
having
In one embodiment , an apparatus for delivering gases to a semiconductor processing system includes a plurality of gas input lines { HEAD ~ each } having an inlet port and { TAIL ~ a plurality } of gas output lines each having an outlet port
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH