The source material may be prepared as an ink from {HEAD ~ particles} in {TAIL ~ powder form} 
in
The source material may be prepared as an ink from { HEAD ~ particles } in { TAIL ~ powder form }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL