Specification discloses the use of a dynamic cross-flow filtration system for the filtration of mash. To attach the liquid crystal display control board 720a to the cabinet section 200b of the gaming machine, the hooks 223a and 223b are inserted into the attachment holes for temporarily tacking the liquid crystal display control board 720a. The method employs a symbol first mapping or a mixed-symbolsubframe first mapping to efficiently allocate the resources. The longitudinal bore has an internal thread. At least some of the database records in the rapid access memory are summarized and stored within the rapid access memory. The cover plate has a lip adjacent a periphery thereof, at least a portion of the lip comprising a hermetic barrier, the cover plate and lip extending over the scintillator and photosensor array, the lip being adhered and sealed to the substrate.