1. Combustion must meet three conditions: combustible, combustion-supporting and fire source.

2. Common fire sources are: open flame, high-temperature object, Mars, electric spark and strong light.

3. The fires caused by life factors mainly include: careless use of fire, careless use of electricity, careless use of oil, careless use of gas, careless smoking, playing with fire, setting off fireworks and firecrackers, etc.

4. Flammable items at home include: wooden furniture, bedding curtains, clothes, sofas, books, gas tanks, etc.

Second, fire prevention knowledge in schools and public places

1. It is forbidden for students to bring fireworks, cannons, matches and other inflammable and explosive articles into the school.

2. The inflammable and explosive articles used in the experiment should be stored in a special warehouse and should be carried with you when used. Don't store them on site.

3. Pay attention to regularly check the installation and use of electrical equipment, and cut off the power supply after use.

4. Do not carry kindling and inflammable and explosive materials (such as gasoline and essence) to public places or take public transportation.

Third, common sense of forest fire prevention

1. When teachers and parents take their children out for an outing, hunting, grazing and collecting herbs, don't bring kindling into the mountains. Smoking is not allowed in mountainous areas.

2. When the school organizes students to travel to mountainous areas, it is forbidden to organize picnics, bonfire parties and other activities.

Fourth, common sense of family fire prevention

1. Use fire safely

(1) Chimneys should be far away from wires, ceilings, wooden walls, doors and windows at least 0.2m apart.

(2) There should be protection around the furnace body or more than 0.5m away from combustible materials.

(3) Remove furnace ash. Don't dump the dregs and don't touch flammable materials. It is best to have a fixed safe place, especially in windy days.

(4) Never use gasoline, diesel and sprinklers for ignition.

2. Safe use of liquefied petroleum gas

(1) LPG cookers should not be placed in bedrooms, offices, balconies, warehouses, auditoriums and other public places to prevent air leakage and fire.

(2) correctly master the use of the switch, wait for the fire, not the gas, and remember to close the valve after use. Switch, if the valve is broken, replace it in time. Don't let children use cookers or play with switches at will.