A system for communicating according to a standard communication protocol for process control includes a plurality of interconnected computers. The electronic device may include wireless transceiver circuitry and antenna structures. The apparatus also includes an upper chain vise for gripping the second joint of conductor casing and applying a final make-up torque to the threaded connection. From the radiation test, we can understand the condition of the SDRAM before and after the radiation test. A recognition process uses the finite state machine to locate program feature usage within the sequence of recorded commands by matching command sub-sequences corresponding to the feature model via the state machine. The components are proportional to the DC currents of the transistor at bias voltages differing by a small amount.