Such jelly like {HEAD ~ 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 the tube 
Such jelly like { HEAD ~ 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 the tube
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH