What is the process called for ensuring safety during the mining operation by constantly removing harmful gases?

The process of ensuring safety during mining operations by continuously removing harmful gases is known as ventilation. Ventilation is crucial in underground mining as it helps to maintain air quality and provides fresh air to miners. It involves the systematic movement of air through the mine to control humidity, dust, and gases such as methane and carbon dioxide, which can pose significant health risks.

Effective ventilation systems are designed to dilute and remove hazardous gases, ensuring a safe working environment for miners. Proper airflow not only reduces the concentration of dangerous gases but also helps in regulating the temperature and humidity within the mine, which further contributes to the safety and comfort of workers.

Other processes like sealing, monitoring, and filtration play roles in mining safety but do not specifically focus on the active removal and management of harmful gases in the way that ventilation does. Sealing relates more to containing areas of the mine that might have been abandoned, monitoring refers to observing conditions and hazards, and filtration might be part of certain localized air treatment systems but is not as comprehensive as the ventilation systems in practice.