{HEAD ~ Apparatus} for manufacturing {TAIL ~ an optical fiber soot}, and method for manufacturing an optical fiber soot using thereof 
for manufacturing
{ HEAD ~ Apparatus } for manufacturing { TAIL ~ an optical fiber soot } , and method for manufacturing an optical fiber soot using thereof
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH