1, the first is the cause of the fire, and the first is the life factor, such as improper cooking and heating operation. The second is the fire caused by improper installation and use of electrical appliances and the fire caused by violation of operating procedures.

2. The second is to understand the fire laws and regulations.

3. The third is to understand the skills of fire escape, such as using evacuation routes, making escape equipment, using buildings to escape or finding shelters to escape.