Accordingly, it is an object of the present invention to solve various problems associated with a decrease in {HEAD ~ capacity} caused by manganese dissolution at high temperatures, which is {TAIL ~ a problem} occurring in the prior art 
Accordingly , it is an object of the present invention to solve various problems associated with a decrease in { HEAD ~ capacity } caused by manganese dissolution at high temperatures , which is { TAIL ~ a problem } occurring in the prior art
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH