Huấn luyện nghiệp vụ PCCC - 2023

4 to 1.5 meters Don't stand too close to the fire and don't stand too far Don't stand too close and don't stand too far CO2 is stuck in the bottle at 79 degrees Celsius So it is absolutely not allowed when people use it, it is not allowed to hold the speaker here Because it is very easy for us to be exposed to cold Because CO2 here is water It is in the form of water, so you don't need to shake it We move the bottle normally No need to shake it up and down Just move it Also pull out like a powder bottle But now You guys here have to have a test action See if the air is blown out or not by pressing the button 1 Press the button 1 like this Do you see it blowing out? A little bit right? And if you are not confident, you can hit it hard Hit it hard And our eyes look at these two points, if you see it blowing out, it's just a little bit Just a little bit Then use it normally So how do you hold it? Check the volume of the speaker at the corner of the fire, usually 45 degrees Celsius compared to the body of the bottle Still hold it in the palm of your hand And the palm of your hand holds the bottom of the bottle Please note There is a car Please note that holding the bottom of the bottle at the bottom If you feel it's too heavy, what is it? What is the bottle? Hold the bottle in the palm of your hand Got it? And also the distance from 4 to 1.5 meters Also the distance from 4 to 1.5 meters