[sammyg2]

blast proof cargo containers

In refineries we call them BRMs, blast resistant modules. Pretty much required in the US after the BP refinery explosion in tejas.
We don't usually bury them tho

https://www.mobilemodular.com/commercial-solutions/blast-resistant-modular#:~:text=%20EXPLOSION%20RESISTANT%2C%20CLIM ATE%20CONTROLLED%20BLAST%20RESISTANT%20MODULES,and %20modules%20are%20engineered%20to%20meet...%20Mor e%20