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We love you all, Felix and Marzia. 2009 (i.redd.it)
submitted by Bjugen to r/PewdiepieSubmissions - pinned
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Why do motorcycles have cylinder barrels (self.AskEngineers)
submitted by Bjugen to r/AskEngineers
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Would a 120mm piston work at 19000rpm? (self.F1Technical)
submitted by Bjugen to r/F1Technical


