In some implementations, a mobile device can be configured to provide navigation instructions to a user of the mobile device. Accordingly, the spiral flow and melt flow index of the resin is greatly enhanced upon the incorporation of an additive amount of a phosphorous containing compound conforming to 1where –, n and Ar are defined. The Internet keys provide keyboard-actuated activation of Internet-related software such as Netscape Navigator and Microsoft Internet Explorer without the need for hot keys or the remapping of function or DOS keys. A mechanism dispenses the heated and cooled water, and is housed within the base unit and directly connected to the heating and cooling mechanism.