Opis
How can important information and valuable items be kept safe as years pass? Many of these items are stored in underground vaults, including recordings and photos from U.S. history, important documents, and more. Locks, guards, secret passwords, and technology all play a part in the protection of the items. Learn more about these high-security places!
Szczegóły książki
Format
Kindle
Strony
32 stron
Język
Angielski
Opublikowany
cze 1, 2020
Wydawca
Capstone Press
ISBN-10
1496694023
ISBN-13
9781496694027