ସଦସ୍ୟତା ନିଅନ୍ତୁ
ପୃଷ୍ଠା ଠିକଣା କ୍ଲିପବୋର୍ଡରେ କପି ହୋଇଛି ।
ଅର୍ଥ : An industrial process for making steel using a Bessemer converter to blast air through molten iron and thus burning the excess carbon and impurities. The first successful method of making steel in quantity at low cost.
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