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A fact from Polikarpov NB appeared on Wikipedia's Main Page in the Did you know column on 27 November 2009 (check views). The text of the entry was as follows:
Did you know... that the fuselage of the Polikarpov NB was built from molded plywood and was reinforced with a welded steel tube framework and a network of bracing wires around the aperture for the wing and the bomb bay?
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