Youtube activity of "казимир каминский" (@user-ez6nk9jq8c) on "Veritasium" channel.
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UCzqaJSZYmOPaQSavdgvV16Q
Commenter youtube id
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казимир каминский
Commenter name
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@user-ez6nk9jq8c
Commenter name id
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"Does a Falling Slinky Defy Gravity?"
Comments by video