Youtube activity of "Paul Frederick" (@1pcfred) on "Machine Thinking" channel.
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UCm3rK2XL_inS0E_v5bD4aug
Commenter youtube id
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Paul Frederick
Commenter name
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@1pcfred
Commenter name id
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"America's Iron Giants - The World's Most Powerful Metalworkers"
Comments by video
"IRON from SAND - Oldest form of iron smelting"
"Origins of Precision"