A method and system for efficiently screening for dangerous threatening items are presented. The system includes an object unit designed to hold the object and a test unit including equipment for subjecting the object to a combination of two or more tests. There are sensors located in the object unit, wherein each of the sensors reads data resulting from testing the object and generates an output signal. A computation unit receives the output signal from each of the sensors and processes the output signals in parallel to determine a risk factor based on parameters resulting from the two or more tests. The parallel acquisition and processing of the output signals enhances accuracy. By testing a "batch" of objects at once, the system improves throughput.
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