This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: vector image. The original can be viewed here: Metal whistle.jpg: . Modifications made by MichaelFrey.

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• attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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https://creativecommons.org/licenses/by-sa/3.0CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue

This image is a derivative work of the following images:

• File:Metal_whistle.jpg licensed with Cc-by-sa-3.0-migrated, GFDL
  • 2006-12-21T20:21:48Z Thornard 293x174 (8821 Bytes)
  • 2006-12-21T20:21:27Z Thornard 293x174 (8821 Bytes)
  • 2005-01-31T18:25:26Z Markus Schweiss 394x288 (13460 Bytes) Metal whistle, own picture {{GFDL}}

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