Youtube activity of "Petyr Kowalski" (@petyrkowalski9887) on "Real Engineering" channel.
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UCteFaxVTKmpiWfu-uJWcWbQ
Commenter youtube id
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Petyr Kowalski
Commenter name
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@petyrkowalski9887
Commenter name id
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"Can We Create Artificial Gravity?"
Comments by video
"Pravda o vodíku"
"The Insane Engineering of the A-10 Warthog"
"The Spitfire's Fatal Flaw"