| 摘要 |
A communication aid comprising an assembly of illustrations individually mounted on a ring to provide a basic means of communication for individuals who have difficulty expressing their needs, or who cannot be understood by others. Each illustration or picture represents a necessity of living and is contained within the pocket of a transparent plastic envelope. Each envelope is mounted for free sliding movement on a ring. By sliding the envelopes along the ring, the individual can point to the illustration indicating his need.
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