A system and method for determining the level of behavioral concern and displaying the determination in a behavioral assessment matrix is disclosed. Signal contacts are attached to the insulating housing and are connected to the card. The first volume may contain an array of metavoxels, where a metavoxel having an array of voxels. After a bunch has thus been gathered, the ends of the fingers are brought towards each other, and the stems in the gripper are moved away from the rollers. In the second space the airstream impinges upon a number of spaced-apart baffles or structured layers.