bn:01258538n
Noun Concept
Categories: Mine ventilation, Underground mining
EN
Underground mine ventilation  mine ventilation  ventilation
EN
Underground mine ventilation provides a flow of air to the underground workings of a mine of sufficient volume to dilute and remove dust and noxious gases and to regulate temperature. Wikipedia
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EN
Underground mine ventilation provides a flow of air to the underground workings of a mine of sufficient volume to dilute and remove dust and noxious gases and to regulate temperature. Wikipedia