Youtube activity of "Julian Petkov" (@julianpetkov8320) on "SmarterEveryDay" channel.
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UCiDvQKFRF19hjMyt8q5T4XQ
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Julian Petkov
Commenter name
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@julianpetkov8320
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"КАК ДЕЛАЮТСЯ РАКЕТЫ (Rocket Factory Tour - United Launch Alliance) - умнее каждый день 231"
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