Youtube activity of "Tony England" (@TonyEnglandUK) on "TED-Ed" channel.
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UCa-PH9dLa6gozClYDcJOzXQ
Commenter youtube id
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Tony England
Commenter name
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@TonyEnglandUK
Commenter name id
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"Why don't perpetual motion machines ever work? - Netta Schramm"
Comments by video