Youtube activity of "Dave Powell" (@davepowell7168) on "Free Documentary - Engineering" channel.
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Commenter youtube id
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Dave Powell
Commenter name
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@davepowell7168
Commenter name id
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"Forgotten Inventions Rebuilt | Ancient War Machines | FD Engineering"
Comments by video
"How to Move a 700 Tonne Marble Block | Stone Men | FD Engineering"