The apparatus and {HEAD ~ methods} may utilize ink jet technology to apply the functional agent directly to {TAIL ~ the substrate} or to an intermediate surface 
The apparatus and { HEAD ~ methods } may utilize ink jet technology to apply the functional agent directly to { TAIL ~ the substrate } or to an intermediate surface
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH