*فرن القوس الكهربي*طريقة بسمر*American Iron and Steel Institute*Science Aid: Blast Furnace How iron is extracted, for high school level*Blast Furnace animation*Precursors of the Blast Furnace*Extensive picture gallery about all methods of making and shaping of iron and steel in North America and Europe.
*Laskill==References=====Bibliography=====External links==*American Iron and Steel Institute*Science Aid: Blast Furnace How iron is extracted, for high school level*Blast Furnace animation*Precursors of the Blast Furnace*Extensive picture gallery about all methods of making and shaping of iron and steel in North America and Europe.