The applicator barrel 12, wherein {HEAD ~ said epoxy resin} includes a multifunctional epoxide base resin and {TAIL ~ a photoinitiator} 
The applicator barrel 12 , wherein { HEAD ~ said epoxy resin } includes a multifunctional epoxide base resin and { TAIL ~ a photoinitiator }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL