| 摘要 |
The device has a first area (7) for applying adhesive, a second region (8) which is brought into contact with the adhesive (16) to make the joint and a preferred breakage point (9) whose strength is less than the defined minimum joint strength. An optical arrangement is used to indicate to the user the device for breaking the preferred breakage point. The second area, which is brought into contact with the adhesive, can be made the preferred breakage point.
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