stacking {HEAD ~ a second adhesive}, which is a thermoplastic epoxy resin, on {TAIL ~ the first adhesive} 
on
stacking { HEAD ~ a second adhesive } , which is a thermoplastic epoxy resin , on { TAIL ~ the first adhesive }
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL