File:Theft-proof hex key screw with insert.JPG
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The image shows a type of theft-proof screw. A small ball is hammered into the hex key after fastening. This ball cannot be removed and the screw can thus no longer be unfastened. Photo taken in Sine Moussa Abdou, Senegal, by Gunnar Wegner
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:34, 9 February 2011 | | 1,024 × 683 (505 KB) | ***** (***** | *****) | The image shows a type of theft-proof screw. A small ball is hammered into the hex key after fastening. This ball cannot be removed and the screw can thus no longer be unfastened. Photo taken in Sine Moussa Abdou, Senegal, by Gunnar Wegner [[Category:Sene |
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