| 摘要 |
<p>The fallback system has a net (10), which is spread on the roof. The net has multiple net pieces (14), through which the neighboring net nodes (15) are connected with each other. The net has a field with multiple net nodes, in which a detachable connection between the net pieces and the net nodes is provided. An independent claim is also included for a method for personal safety during roof work.</p> |
