In a basestation, both chip and symbol rate processing are performed within the same DSP. In a liquid crystal display device containing pixel electrodes, the transparent electrode is made from indium-zinc-oxide having an amorphous structure so that it can be etched within a short period of time with a low concentration of etchant. A system for processing a product order is also disclosed. The stiffness of the stiff, flexible, and transition regions may be controlled by varying the cross-sectional area of the stent components andor by varying the stent architecture. An expandable occlusion member is provided for internal occlusion of the ascending aorta between the coronary arteries and the brachiocephalic artery. Apparatus for automatically discovering web services is also described, which comprises communicating means for querying a known UDDI server address containing a list of web services and identifying from the list suitable web services, the communicating means arranged to automatically download at least one machine readable description of a web service.