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