Commonly used mining techniques to extract coal - ICSC
2018-1-25 · Due to a rise in demand for coal, many mining techniques have evolved to extract the fossil fuel. A large-scale mining of coal requires the use of draglines, trucks, conveyors, hydraulic jacks and shearers. Depending on their properties, coal is mainly divided into four types such as peat, lignite, bituminous and anthracite.
