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