A shut off is provided in {HEAD ~ the manifold} for preventing {TAIL ~ skin flow} to a particular nozzle during sequential gating 
for preventing
A shut off is provided in { HEAD ~ the manifold } for preventing { TAIL ~ skin flow } to a particular nozzle during sequential gating
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH