Therefore, {TAIL ~ VUV} is the most desirable form of energy for {HEAD ~ photon assisted transport polymerization} 
Therefore , { TAIL ~ VUV } is the most desirable form of energy for { HEAD ~ photon assisted transport polymerization }
OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD