Modern Marvels - Season 13 Episode 19
Visit the United States Mint and the Bureau of Engraving and Printing for an inside look into the government facilities where U.S. legal tender is generated. Learn the history behind these two institutions and the process of making currency, including how the complex security features on bank notes are created and how the government agencies monitor and intercept counterfeit bills.
- Thể loại: Documentary
- Studio: History, H2
- Từ khóa: technology, invention, disaster, construction, machine
- Diễn viên:
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