| 摘要 |
Feed-back communication cards for ascertaining the views of participants in a meeting or conference in which pull off tabs are enhanced with ink marks on the edge and face of the edge of each card so that when a multiplicity of the cards are stacked, the openings in the card edges resulting from the removal of the pull off tabs and the ink markings on face of the card edges providing for quickly determining the outcome of the views of the assembly participants and a reliable estimate of the number who expressed themselves on the issue or issues which have been presented.
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