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mining ventilation underground in new zealand

Ventilation in underground mines and tunnels In closed environments like mines and tunnels ventilation is crucial to maintain sufficient quantities of oxygen and keep air free of dust toxic gases and vapours We have produced guidance that outlines the ventilation needed for different types of mining and tunnelling operations This approved code of practice outlines the ventilation needed for different types of mining ...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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