The original fibers are first assembled into {HEAD ~ a holder} that provides mechanical protection, and {TAIL ~ the outside diameters} of the fibers protruding from the ferrule are subsequently reduced through a chemical etching process 
The original fibers are first assembled into { HEAD ~ a holder } that provides mechanical protection , and { TAIL ~ the outside diameters } of the fibers protruding from the ferrule are subsequently reduced through a chemical etching process
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH