{TAIL ~ A guard member} is positioned on the substrate and is spaced from {HEAD ~ the nozzle assemblies} 
{ TAIL ~ A guard member } is positioned on the substrate and is spaced from { HEAD ~ the nozzle assemblies }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD