{HEAD ~ The resulting article} has a shape retaining, non tacky flexible consistency which allows {TAIL ~ the shape} to be further modified, if necessary 
{ HEAD ~ The resulting article } has a shape retaining , non tacky flexible consistency which allows { TAIL ~ the shape } to be further modified , if necessary
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH