Tampons having a zoned apertured overwrap. In the method information regarding a communication control entity capable of servicing a user of the communication system is received at a first entity associated with the communication system from a storage entity. The apparatus including two or more transmitters, two or more receivers, and a processor to estimate one or more functions, and, based on these functions, the parameter of interest. Metering data air messages are collected by a network of receiver Base Stations and forwarded to a Data Operations Center, which acts as a metering data gateway. The assembly ensures that the catalyst carrier body is permanently fixed, in particular during structure-borne vibrations that occur in the exhaust system of an internal combustion engine. The \u201cMercury\u201d display and trading method of the present invention ensure fast and accurate execution of trades by displaying market depth on a vertical or horizontal plane, which fluctuates logically up or down, left or right across the plane as the market prices fluctuates.