Most of the coal are used as fuel in various industries that use heat radiator production processes, such as electricity, metal smelting Cement production and food production, etc., are also used in other areas.Activated Carbon to absorb the smell Carbon Fiber which material is strong but lightweight and Coal liquefaction. Coal Gasification . Under the milling process of coal. It can remove the acidic gas or toxic substances and gems of various existing in coal use another such as sulfur used sulfuric acid and mineral gypsum.Fly ash used to make building materials, etc.