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These shafts remove used air from the mine, aiding in maintaining air quality.

Responsible for creating primary airflow within the ventilation circuit of the mine.

These shafts introduce fresh air into the mine.

Transport air from auxiliary fans to working faces or areas requiring additional ventilation.

Regulate airflow and allow passage of equipment and personnel while minimizing air leakage.

Measure pressure differences within the ventilation system to detect blockages or inefficiencies.

Identify and combat fires to prevent spreading and to protect personnel and infrastructure.

Adjusts the quantity of air by restricting the area through which the air passes.

Similar to overcasts but built beneath roadways, allowing separate airways to cross.

Allows intake and exhaust airways to cross without air mixing, maintaining separate air streams.

Adjust the mine's temperature for worker comfort and equipment maintenance.

Used for creating, analyzing, and optimizing mine ventilation systems.

Controls and directs airflow in underground mine passages.

Provide safe exit routes for personnel during emergencies.

Supplement the primary ventilation system by steering, controlling, or adding to the main airflow.

Detect harmful gases to prevent hazardous conditions.

Used to close off unused areas of a mine, preventing wasted circulation of air.

Located within air doors to allow personnel to pass without disrupting the ventilation flow.

Used to control airflow for directing fresh air to working faces or seal off abandoned areas.