Author
Publisher
Capstone Press
Pub. Date
2020.
Lexile measure
HL 540L
Physical Desc
32 pages : illustrations (some color) ; 27 cm.
Language
English
"Underground storage vaults keep important information and valuable items safe. They protect data, valuable items, secret information, and more. These vaults take their jobs seriously. They use underground rooms, locks, guards, and technology. Learn more about their high-security work!"--