The isolated fire extinguishing method separates or removes the burning material from the surrounding unburned combustible materials, interrupts the supply of combustible materials, and stops the combustion due to the lack of flammable materials. The specific methods are:
1. Move flammable, flammable, explosive and combustible materials near the fire source;
2. Close the valves of combustible gases and liquid pipes to reduce and prevent flammable substances from entering the combustion zone;
3, trying to block the flammable flammable, combustible liquid;
4. Dismantle flammable buildings adjacent to the fire source to form a space zone to prevent the spread of fire.