An apparatus to normalize a flow rate of a fluid in a main flow channel is provided. A backrest is connected to the seat portion. According to another embodiment of the invention, an apparatus used for collecting fluids during a medical procedure includes a fluid collection pouch having an open end with a perimeter, a channel surrounding approximately one half of the perimeter of the open end, an inflatable bladder disposed within the channel, and a pump disposed within the channel and coupled to the inflatable bladder. A first application is executed by the first harness client and according to the test script. The present invention also provides Programmers with means to invoke business operations as well as computational operations with their programs, and thus to automatically obtain payment from Users who elect to obtain passwords. The device comprises: a sensing unit for sensing signals; an interest-generating unit programmed to generate interest-parameters in response to the sensed signals; an emotion-generating unit programmed to generate emotion-parameters in response to the sensed signals; and an actuating unit for actuating the device.