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