Water spray and fire hydrant difference in fire fighting engineering
The functions of sprinkler and hydrant are different. You can see the book
The spray head, fire hydrants, sprinkler head mounted in the room, office, conference rooms, shopping malls, etc. at the top of the aisle, and smoke, the temperature probe is composed of automatic sprinkling system; fire hydrant installed on the staircase, corridor, convenient operation of fire, and with the use of hose. Outdoor fire hydrants are often required to meet fire water requirements.
Landlord has the time to ask such silly questions online, or calm down to read the book carefully.Network can give you knowledge, but the system, the basic knowledge or to rely on their own serious study, there is no shortcut.
