{HEAD ~ The path creation} is accomplished by {TAIL ~ the shape memory material} by several means such as fracturing, exploding, imploding, puncturing, peeling, tearing, shearing, rupturing, splitting, separating, debonding etc 
{ HEAD ~ The path creation } is accomplished by { TAIL ~ the shape memory material } by several means such as fracturing , exploding , imploding , puncturing , peeling , tearing , shearing , rupturing , splitting , separating , debonding etc
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH