{HEAD ~ Light curable adhesive} is introduced into {TAIL ~ the holder} in advance and, once the optical conductor end has been introduced, is cured by supplying light 
is introduced into
{ HEAD ~ Light curable adhesive } is introduced into { TAIL ~ the holder } in advance and , once the optical conductor end has been introduced , is cured by supplying light
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH