A mobile enforcement reader includes an antenna, a reader coupled to receive signals from the antenna and a controldisplay unit coupled to the reader. A UE can include a transition management component that can adaptively control wireless transition timers associated with wireless states based on application type, session content, or other factors. Conversely, a \u201cdestructive\u201d query is one which does return additional results relative to results returned by a previously executed query. The low-power heating filaments are then turned on to maintain a constant temperature. The medium in the flow-chamber flows in the direction of travel of the acoustic wave in the chamber as a result of acoustic streaming. At least some of the illustrative embodiments are apparatuses comprising a base, and a panel coupled to the base.