The water company should be notified before testing of hydrants is conducted so that they can advise customers in the affected area that they can expect sediment or discoloration in the water.
Shinbashi, Tokyo, has a cute fire hydrant cover. A fire hydrant, sometimes known as a firecock (archaic), is a location at which firemen can connect to a water supply. It is part of active fire protection. Since at least the 18th century, underground fire hydrants have been employed throughout Europe and Asia. Above-ground, underground, breakaway, tunnel, or garden hydrant There are several types of hydrants available to meet a variety of requirements. A certain type of hydrant is required depending on the field of application and the type of water extraction.
To know more about Hydrant visit the link
https://brainly.com/question/14703777
#SPJ4