| 摘要 |
A light reflective signaling and warning device shaped and arranged relative to an encompassing reference sphere so that light directed toward the signaling and warning device from any area on the reference sphere is reflected toward the same area, self-articulated to intensify light reflection therefrom, color coded to indicate the disposition of the signaling and warning device relative to a source of light, and restorably deformable under the temporary application of excessive force thereto, widely useful in diverse different applications.
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