The air-treatment housing of an air-conditioning apparatus includes, in an upper face, an air outlet for demisting and aeration. A delay execution control section gives the redundant system the same processing request as a processing request given to the active system, with a delay. Control parameters of the distance metric computer nodes and adaptable infinite logic aggregators can be determined by direct search optimization, using training data. The space-based toy has its own set of sensors andor actuators and are able to communicate wirelessly with other space-based toys and earth-based toys using a traditional ground system. Drive members are supported on the central frame to continuously drive the rear wheels as the tricycle leans into turns. The handling system includes at least one linear actuator for handling the digging equipment.