Appendix E: Coal Mining and Processing Methods | Coal: Research .Coal focuses on the research and development needs and priorities in the areas . material (called spoil), (4) drilling and blasting the coal seam, (5) loading and .. conventional room and pillar method, several pieces of equipment are used in.processing coal what materials are used,How tin is made - material, used, processing, steps, product, industry .Carbon, in the form of coal or fuel oil, is also used. The presence of high concentrations of certain chemicals in the ore may require the use of other materials.processing coal what materials are used,How iron is made - material, manufacture, making, history, used .The most common process is the use of a blast furnace to produce pig iron which is . The raw materials used to produce pig iron in a blast furnace are iron ore, . Coke is a substance made by heating coal until it becomes almost pure carbon.
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