Several methods and structures are disclosed for determining electrical properties of silicon-on-insulator wafers and alternate versions of such wafers such as strained silicon:silicongermanium:-on-insulator wafers. A transitional region is disposed between the first passageway and the second passageway. When there is a corresponding data message chain, add the data message to the back of the corresponding data message chain to obtain a revised data message chain. A first port communicates with a front end heat exchanger for receiving refrigerant from this heat exchanger when heating and for sending refrigerant to this heat exchanger when cooling. The Java archive file may be executed in a Java runtime environment to update a target file system. 0 or more in a light-shaded region.