Disclosure Devices, Continued
Information displayed on drop-in or drop-out cards appear to fall into or out
of view. These cards are advantageous for presenting large amounts of
information. These devices resemble a three-ringed binder rigged
horizontally. Perforations appear on the top or bottom of each card.
Figure 3-13 is an example of a drop-in/drop-out device.
Figure 3-13. Drop-in/drop-out device.
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