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One of the main aims of the coal industry is to improve conditions and increase the safety of the work. The questions of environment also need to be considered. In the complex of science-technological problems the focus is placed on how to reveal spontane
One of the main aims of the coal industry is to improve conditions and increase the safety of the work. The questions of environment also need to be considered. In the complex of science-technological problems the focus is placed on how to reveal spontanetane