Shortwall mining machine

Shortwall mining machine

Underground mining equipment. Generally a continuous-mining machine used with a powered, self-advancing roof support system. It shears coal froma short coal face (up to about 150 feet long). The broken coal is hauled by shuttle cars to a conveyor belt.

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Part of Speech: noun
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Industry/Domain: Energy
Category: Coal; Natural gas; Petrol
Company: EIA
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