Every governmental institution must contain public safety tools (fire extinguisher + first aid box) with simple instructions on how to use them, as to help us read them in a timely manner.
I would like to brief you on some of these matters, as they are important:

fire extinguisher
A Cylindrical-shaped body of metal that contains on fire extinguishing materials according to their type, and it takes empty time from 8 seconds to 15 seconds
It consists of the following elements:
Operating lever
Safety nail:
He who maintains
The fire material remains without pressing the handle that allows it to exit.

The nozzle:
It is the place of exit of the material and varies according to the type and size of the extinguisher.
- carry handle.
- A watch that measures the air pressure that helps the extinguishing agent out.
- The body of the extinguisher.
A holder and a stove to install the extinguisher
On the walls.
- Extinguisher hose.
- Usage list, instructions and methods.
- The base of the extinguisher
Specifications of the user of the extinguisher
Awareness 
Physical ability.
Knowing the steps of use.
Training for the correct use of the method.
Specifications of the fire extinguisher
-Certified by specialized specifications written on it for capacity, type and method of good usage.
-Fully Packaged.
- With a weight that can be carried quickly and easily.
Suitable for the type and quantity of materials subject to combustion.
Pre-operation instructions
Inform the civil defense.
Ensure that all of those present have moved to a safe place out of the danger site.
Stand at a distance of two to three meters from the site of the fire.
Always extinguish with the wind. Stand with the wind direction.