Also, one or more cross linking agents may be used in {HEAD ~ conjunction} with {TAIL ~ one or more gelling agents} in order to cross link the gelling agent 
with
Also , one or more cross linking agents may be used in { HEAD ~ conjunction } with { TAIL ~ one or more gelling agents } in order to cross link the gelling agent
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH