Before exposure to appropriate light, the adhesive retains its liquid or viscous character, so that {HEAD ~ the optical conductor end} 20 can be passed through {TAIL ~ the adhesive} without any problems during the fitting process, in the process wetting the optical conductor end 
passed through
Before exposure to appropriate light , the adhesive retains its liquid or viscous character , so that { HEAD ~ the optical conductor end } 20 can be passed through { TAIL ~ the adhesive } without any problems during the fitting process , in the process wetting the optical conductor end
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH