Youtube activity of "Big Blue" (@bigblue6917) on "The Infographics Show" channel.
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UCgjq7m6Hn2pulXlSkbG3eIg
Commenter youtube id
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Big Blue
Commenter name
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@bigblue6917
Commenter name id
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""
Comments by video
"The One Reason British Royal Navy Ships Were Invincible In World War 2"
"The US Secret Underwater Spy Technology – The US Navy's SOSUS"