Methods and apparatus are disclosed for limiting transmission of data to a localized area in a networked environment. The notebook computer has a CPU, a heat dissipation apparatus, an air inlet, and an air outlet. The main device assigns transfer priorities to each program component constituting one program data, and then discretely transfers the program components respectively in the direction of a time axis in the order of the assigned transfer priorities. The representative motion flow may be generated based on the interesting motion flows. An air cavity in the die body and air troughs in selected types of nozzles balance and adjust air flow.