In the coal mining industry, production was dramatically improved by replacing the old "hand got method" with a new system called the "long wall method."

Name: In the coal mining industry, production was dramatically improved by replacing the old "hand got method" with a new system called the "long wall method."
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The Answer of In the coal mining industry, production was dramatically improved by replacing the old "hand got method" with a new system called the "long wall method."

In the Coal Mining Industry, Production Was Dramatically Improved by Replacing