The roof of a vault should be at least:
Posted: Fri Jul 22, 2022 11:17 am
The roof of a vault should be at least:
A. 3 inches thick
B. 4 inches thick
C. 5 inches thick
D. 6 inches thick
E. 8 inches thick
A. 3 inches thick
B. 4 inches thick
C. 5 inches thick
D. 6 inches thick
E. 8 inches thick