Once the predetermined temperature has been reached, {TAIL ~ the shape memory material} recovers {HEAD ~ its shape} and in the process applies a stress that results in the creation of a path for the two substances to come in contact 
Once the predetermined temperature has been reached , { TAIL ~ the shape memory material } recovers { HEAD ~ its shape } and in the process applies a stress that results in the creation of a path for the two substances to come in contact
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH