A testing apparatus, coupled to a mobile storage device, includes a control module and an intermediate module. A process for manufacturing a stable solid oral dosage form containing carvedilol or a pharmaceutically acceptable salt thereof, which is packed in the packaging configuration comprising moisture permeation inhibitory packaging. A separate culling stage in the graphics pipeline culls occluded geometry and passes visible geometry on to a rendering stage. In some cases, a non-agent based scheme may be employed in which a wireless device may communicate directly, and may negotiate service with one or more access points.