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