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The invention that saved a million ships

Posted Jun 21, 2019 2019-06-21T00:00:00+08:00 by PipisCrew

http://www.bbc.com/travel/story/20190620-the-invention-that-saved-a-million-ships

origin - https://www.pipiscrew.com/2019/06/the-invention-that-saved-a-million-ships/ the-invention-that-saved-a-million-ships

This post is licensed under CC BY 4.0 by the author.

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