FIELD: mining industry. SUBSTANCE: this particularly relates to ventilation of potassium mines. According to method, proportion of air from main haulage entry is delivered through stoping panel drift, and used air is evacuated to main ventilation entry. Fresh air is delivered only through stoping panel drift, and used air is evacuated through advance joints to deeper conveyor drift. Application of aforesaid method adds efficiency to ventilation and improves safety of operations. EFFECT: higher efficiency. 1 dwg
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