A multiple-stage pipeline for transaction conversion is disclosed. It also has at least one exhaust gas duct per cylinder of the internal combustion engine, at least a first actuator which is disposed in an inlet pipe or in an intake duct or in an exhaust gas duct and influences the gas exchange in the respective cylinder. The invention provides formatting of network packets and then processing of network packets according to one or more optimization processes. The housing accommodates the plurality of battery cells and the barriers therein. In some implementations, the front surface may be contoured based on the anatomy of a human back. A liquid crystal layer is disposed between the insulating film and the common electrodes and the liquid crystal layer.