You studied mine ventilation and safety engineering, right? The major of ventilation safety engineering is to train professionals engaged in mine ventilation safety. Engaged in mine ventilation system design or mine ventilation technology management after graduation. In fact, to put it bluntly, it is how to send fresh air from the ground to the workplace, so that the staff in the workplace can have fresh air, and at the same time, it can effectively dilute the toxic and harmful gases in the workplace to prevent the explosion of toxic and harmful gases!