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Megaconstrucciones - Season 2 Episode 9 Episodio 9
In northern Minnesota, the operators of the world's largest open-pit iron mine commission the construction of a $10 million custom-built super-shovel in the hopes of making excavation more efficient.
- Año: 2011
- País: United States of America
- Género: Documentary
- Estudio: Discovery
- Palabra clave: engineering
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