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

These shafts introduce fresh air into the mine.

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

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

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

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

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

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

Controls and directs airflow in underground mine passages.

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

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

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

Assess and map airflow, pressure, and quality to optimize the ventilation system.

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

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

Provide safe exit routes for personnel during emergencies.

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

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

Detect harmful gases to prevent hazardous conditions.