A method and system for producing modified coal combustion products are disclosed. This business computer network will be a people business network meaning that it will enable employees of various companies to access their personal information in one secure environment yet yielding high speed return of data at minimal costs on the side of the employers. A portion of the exterior surface of the second component can have a polygonal shape. An air duct extends from the air inlet opening to an air outlet opening on the inner side of the fin. The base unit includes a lid that is spring biased toward a closed configuration. The membrane comprises polyethylene, polypropylene, and polymethylpentene.