| 摘要 |
The system (10) has a panel (40) that is intended to receive a posting. A carrying structure (20) is utilized for supporting the panel. The carrying structure includes a module formed by a framework provided with an upright. The panel and a ballasting base (50) are put back on the upright. The ballasting base is intended to receive the framework and is ready to be posed on the ground. The carrying structure is placed behind the panel that supports the structure. The ballasting base is arranged to be moved by rotation.
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