Do you know how to use a foam fire extinguisher?

Foam fire extinguisher is a common fire extinguishing equipment used to extinguish fires. It is generally used to kill liquid fires, such as gasoline, grease and so on. The use of foam fire extinguishers is as follows: 1. When encountering a fire, first of all, keep calm, quickly assess the size and spread of the fire, confirm your safety, and do not risk getting close to the fire. 2. Take out the foam fire extinguisher, stand behind the wind direction, lift the fire extinguisher, press the switch on the fire extinguisher, and spray towards the fire source. 3. When spraying, keep steady, hold the handle of the fire extinguisher in hand, press the switch down, and insist on spraying to the fire source until the fire is out. 4. When spraying, try to keep the fire extinguisher perpendicular to the ground to ensure that the foam can effectively cover the fire source and extinguish the fire. 5. Be careful not to spray in the tuyere, so as not to increase the fire. At the same time, it is necessary to avoid directly pouring the liquid fire source to extinguish the fire, and the way of uniform coverage should be adopted to extinguish the fire. 6. If the fire cannot be controlled with a foam fire extinguisher, evacuate the scene immediately and call the fire department for help. In general, the correct use of foam fire extinguishers requires calm, decisive and stable, the key is to quickly control the fire, to ensure their own safety. I hope everyone can understand and master the correct use of fire extinguishers, just in case.