The 3rd national conference on air and noise pollution management (AQM2015) is organized by Tehran Municipality (Air Quality Control Co., AQCC), and Sharif University of Technology (Department of Mechanical Engineering, Fuel, Combustion, and Emission (FCE) research center) . Our article about the use of  Expanded Metal in the reduction of air and noise pollution can be find below:     Article AQM-2014: Expanded Metal