{HEAD ~ The fiber optic assemblies} may include {TAIL ~ one or more optical fibers} and a powder or powder blend disposed within a tube, a cavity, a cable, or the like 
{ HEAD ~ The fiber optic assemblies } may include { TAIL ~ one or more optical fibers } and a powder or powder blend disposed within a tube , a cavity , a cable , or the like
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL 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