{HEAD ~ The powder} may be dissolved in a solvent, cast onto {TAIL ~ a substrate} and photopolymerized 
cast onto
{ HEAD ~ The powder } may be dissolved in a solvent , cast onto { TAIL ~ a substrate } and photopolymerized
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH