How does a fire hydrant drain?

Related questions

1. Is it illegal to open fire hydrants?
2. What is the required pressure for fire hydrant?
3. What is the function of hydrant?
4. What is the difference between a wet barrel and dry barrel hydrant?
5. What is a dry hydrant and what are its advantages?
6. What is a yellow fire hydrant?
7. What is external hydrant?
8. What is hydrant and its types?
9. How much is a fire hydrant cost?
10. Can I use a fire hydrant?

Tags

1. #drain
2. #sends
3. #water
4. #without
5. #opened
6. #automatically
7. #winter
8. #allows
9. #would
10. #hydrant
11. #closed
12. #freeze
13. #temperatures
14. #which
15. #valve
16. #during
17. #allowing