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French Spiderman Alain Robert has finished his latest climbing the tallest building in the world. Alain has successfully reached the top in the tapered spire across the 160th floor from the building. The 47-year-old is renowned for climbing buildings all over the world just using bare hands and climbing shoes. Diesel particulate filter, filters the particulate matter by forcing the exhaust gases to secure a ceramic wall flow filter. The ceramic wall flow filter has a porous wall and is single ended. When the spent gases are forcibly passed through the porous wall, the particulate matter is filtered as well as the gas is let loose thereby reducing the particulate emission in the atmosphere.