23 Season
705 Episode
Modern Marvels - Season 15 Episode 26 Iron
How iron mined in Minnesota is made into steel; iron weapons revolutionize warfare; military metallurgists customize weapons and demonstrate their firepower; iron magnets.
- Year : 2022
- Country : United States of America
- Genre : Documentary
- Studio : History, H2
- Keyword : technology, invention, disaster, construction, machine
- Director : Bruce Nash
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