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