ABB discusses the advantages of ventilation on demand - Canadian Mining Journal
Ventilation Control of Coal Dust in Mines 1980 MSHA - YouTube
Huge Ventilation Fans Just Like an Airliner's Engines: Understanding the Ventilation System Essential for a Safe Tunnel Environment | Business Solutions | Products & Solutions | Feature Story | Panasonic Newsroom Global
Coal Mine Ventilation Fans | Paul's Fan Company
Underground ventilation systems | Epiroc US
Leading supplier of mining ventilation equipment – Clemcorp Australia