Such jelly like filler should have {TAIL ~ a viscosity} sufficiently low to be easily introduced into the buffer tubes during the manufacturing process and to allow a substantially free relative movement of the fibers inside {HEAD ~ the tube} 
Such jelly like filler should have { TAIL ~ a viscosity } sufficiently low to be easily introduced into the buffer tubes during the manufacturing process and to allow a substantially free relative movement of the fibers inside { HEAD ~ the tube }
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD