{HEAD ~ A fiber optic cable} includes {TAIL ~ a tube} formed from a flame retardant material, an optical fiber disposed in a cavity of the tube, and powder comprising flame retardant particles 
includes
{ HEAD ~ A fiber optic cable } includes { TAIL ~ a tube } formed from a flame retardant material , an optical fiber disposed in a cavity of the tube , and powder comprising flame retardant particles
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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