1. Solid fire extinguishing refers to the fire caused by the burning of solid combustible substances containing carbon, namely wood, flour, wool, hemp and paper.

2, liquid fire, nails, B, C liquids, such as gasoline, kerosene, methanol, ethanol, acetone and other burning fires.

3, fighting gas fires, such as gas, natural gas, methane, hydrogen and other combustible gas fires.

Principle of abc dry powder fire extinguisher:

The dry powder fire extinguisher is equipped with dry powder extinguishing agent such as ammonium phosphate, which is easy to flow and dry. It is composed of inorganic salts and grinding and drying additives, which can effectively extinguish the initial fire.

How to use abc dry powder fire extinguisher;

1. Shake the fire extinguisher up and down for more than three times, and stand about 5 meters away from the fire point.

2. Unplug the safety tips, aim at the fire source, stand in the windward position, and press the handle of the fire extinguisher hard to extinguish the fire.

3. Swing from side to side according to the way of flat shooting, and gradually get close to the fire point to completely extinguish the fire.

Finally, after the fire is extinguished, put out the smoke with cold water to prevent it from rekindling.