pictures of the process manufacturing iron ore

What is Sponge Iron? (with pictures) - wiseGEEK Sep 20, 2017· Did you know that people have been using the sponge iron manufacturing process for centuries? In fact, sponge iron has been used in manufacturing iron in ... NAICS to SIC Codes Descriptions & . Visitors please visit here to take complete overview and it will give you instructions and some tips on searching and obtaining opt-in full record data using this ... Corundum: Use as a Gemstone, Abrasive, . Corundum is used as a gemstone, abrasive, refractory and much more. Red corundum is a ruby, blue is a sapphire, any other color is a fancy sapphire. Synthetic ...    Read More