Wastewater, particularly black water andor gray water, is used, for example in an aircraft, for processing fuels used in a high temperature fuel cell. The service may be remotely accessed, such as via the Internet. A wall plate system may include one or more outlets and one or more wall plate circuits, with power input connected to the outlets through the wall plate circuit. Then, as described above, the distribution over the set of groups learned by the HTM node is passed to a higher level node. , defect classifier, repair classifier, enables an efficient decision-making repair process with capability for customization.