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