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intro ball miller machine indiaintro open pit strip mining crusher advantages and disadvantages 1

What are the advantages and disadvantages of underground Feb 13 2016 Shallow mineral or coal deposits can be economically mined by openpit or strip min However with deeper mineral or coal deposits it becomes very costly to remove a great deal of overburden in these kinds of settings So in these cases underground mining is more cost effective The downside is that human health and safety