A manufacturing facility includes a plurality of programmable logic controllers that contain operating programs and process parameters. A representation of the inputs and outputs of the various models involved in the scene and the dependencies between the inputs and the outputs is provided and used to facilitate the rendering process. At least a portion of a new email is stored in a memory of a low power display module of the portable computer. A first and second end plate are disposed adjacent to each respective end of the cylindrical body. Front end current channels are split and distributed into separate circuits for waveform capture analysis and revenue measurement, respectively.