What was the purpose of a fallout shelter?

Related questions

1. How Long Can rooms be in fallout shelter?
2. What is Nuka Cola Quantum used for?
3. How do you level up vault dwellers?
4. Do dwellers heal over time?
5. What happens when dwellers level up?
6. How do you survive fallout shelter?
7. What is the point of junk in fallout shelter?
8. Does Mr Handy collect training?
9. What is the max level in fallout shelter?
10. Can you revive Mr handy in fallout shelter?

Tags

1. #explosion
2. #resulting
3. #occupants
4. #measures
5. #enclosed
6. #designed
7. #protect
8. #shelters
9. #defense
10. #specially
11. #shelter
12. #radioactive
13. #debris
14. #during
15. #fallout
16. #nuclear
17. #space
18. #constructed
19. #civil