Disclosed is a wheelchair for a patient comprising a support frame, at least two main wheels mounted on sides of the support frame and a seat base disposed upon the support frame. A packet is detected as it exits a first network and enters a second network. The water outlets communicate with the water chamber, while the air rooms communicate with the air chamber. The authoring system uses the methods of object oriented programming to define specialized object classes for instantiation on individual kiosk interface screens subject to pre-defined limitations on variability. The compressed gas is ejected on the pressure side.