When the known connector is being mounted, the optical conductor end is threaded into a central hole in the plug pin, with the aid of the insertion opening through the through hole in the pin bearing; in the process, adhesive is applied to {HEAD ~ the area} of {TAIL ~ the insertion opening} 
When the known connector is being mounted , the optical conductor end is threaded into a central hole in the plug pin , with the aid of the insertion opening through the through hole in the pin bearing ; in the process , adhesive is applied to { HEAD ~ the area } of { TAIL ~ the insertion opening }
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL