File:Tugboat_diagram-en_edit1a.svg Knowpia

This is a featured picture, which means that members of the community have identified it as one of the finest images on the English Wikipedia, adding significantly to its accompanying article. If you have a different image of similar quality, be sure to upload it using the proper free license tag, add it to a relevant article, and nominate it.

This image was selected as picture of the day on the English Wikipedia for March 23, 2008.

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