A method of managing a supply chain comprises providing at a customer interface module a plurality of order fulfillment options to a customer, and receiving from the customer a selection of a particular order fulfillment option. The inner case is fabricated of a plastic integral with a bottom wall. Moreover, in one aspect, the DIE is configured and controlled to retry the packet connection selectively for traffic channel assignment failure, PPP connection failure, TCPIP connection failure and Application service failure. The plurality of identical polygons forms poly-silicon gates of a plurality of test transistors. The thin coating of the lower surface energy material in solution prevents lubricating oil from the compressor which mixes with the refrigerant from wetting over the inner surface of the tubing, encouraging the formation of oil droplets. The system includes an integrated shield which is used to selectively cover a needle end portion of the device.