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In page Cetacea:

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Baleen was used to make vessel components such as the bottom of a bucket in the Scottish National Museum. The Norsemen crafted ornamented plates from baleen.[citation needed] In the Canadian Arctic (east coast) in Punuk and Thule culture (1000–1600 C.E.),[1] baleen was used to construct houses in place of wood as roof support for winter houses.[2]