More particularly, the present invention relates to optical fiber assemblies including a powder or {HEAD ~ a powder blend} for blocking {TAIL ~ water} 
More particularly , the present invention relates to optical fiber assemblies including a powder or { HEAD ~ a powder blend } for blocking { TAIL ~ water }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL