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Extreme Engineering - Season 2 Episode 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.
- Տարի: 2011
- Երկիր: United States of America
- Անր: Documentary
- Ստուդիա: Discovery
- Հիմնաբառը: engineering
- Ռեժիսոր:
- Դերասանական կազմ: