Using only chapter 8 and 9 in the textbook provided. What are some uses of fire hydrants and how should they be maintained? What are some meter types and how are they used in a water distribution system?

Water Distribution Operator I

Using only chapter 8 and 9 in the textbook provided. What are some uses of fire hydrants and how should they be maintained? What are some meter types and how are they used in a water distribution system?