What's a fire hydrant for?
Fire fighting and water supply for fire engines,Generally on these two purposes. Indoor fire hydrant is mainly used for fire extinguishing, outdoor fire hydrant water supply side is fire water and sanitation vehicles; fire hydrant fire special equipment, usually with the fire of other unrelated water shall not use a fire hydrant. In case of special circumstances, it must be used by the relevant water supply department, and no unit or individual may open the fire hydrant valve without permission.
1. For fire fighting2 for water used by fire enginesGenerally on these two purposes. The first use is indoor and outdoor fire hydrants are available; second uses are generally referred to as outdoor fire hydrants.
In many cities, there are fixed fire hydrants. Fire hydrants are on fire in another part of the city. Fire engines can fire water from fire hydrants in time.
