Moreover to 52 Years of experience EMAK gained huge experience in International and European Standards of Fan Performance & Testing, Calculating Indoor / Tunneling Air needs, Machinery Sizing, The Comfort Applications, Safety & Security measures, Efficiency Rules and Criteria such as ISO 13350 Jet Fan Testing, ISO 5801 (B.S. 848) Fan Performance Testing, ErP – Fan Efficiencies, PIARCH (Road Tunnel Ventilation Criteria),  SIA196 Tunneling Fans Designing, ISO EN 12101-3 Smoke Fan Designing and many others.