| 11. | It has also been recorded by Icebreaker on their Extraction album.
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| 12. | This was the second icebreaker commissioned " Northwind ".
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| 13. | From 1878, the Oslofjord was kept permanently open with icebreakers.
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| 14. | President Obama had also commissioned two new US icebreakers in 2015.
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| 15. | Some of the ships were freed by icebreakers on March 5.
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| 16. | More than enough to make a considerable mess of an icebreaker.
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| 17. | Previously, such propulsion arrangement had been utilized in Finnish icebreakers.
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| 18. | Also attributed to the port all Russian nuclear-powered icebreakers.
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| 19. | Known sights are for example Icebreaker Sampo and the Kukkolankoski village.
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| 20. | He owns a power-cruiser, not an icebreaker.
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