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Key points of fire safety knowledge 1: There are seven categories of fire sources – flames, hot objects, electric sparks, adiabatic compression, impact and friction, light exposure and focusing, and heat release from chemical reactions. Key points of fire safety knowledge 2: The tactical principle of “three firsts and three latters” during fire fighting – “Control first, then extinguish”; “Rescue people first, then put out the fire”; “Address critical areas first, then the rest”. Key points of fire safety knowledge 3: There are four types and eight categories of ignition sources. Chemical ignition sources (open flames, spontaneous heating); high-temperature ignition sources (high-temperature surfaces, thermal radiation); electrical ignition sources (electric sparks, static electricity sparks); impact ignition sources (impact and friction, adiabatic compression). Key points of fire safety knowledge 4: There are three types of automatic fire alarm systems – zone alarm systems, centralized alarm systems, and control center alarm systems. Key point 5 of fire safety knowledge: Fire detectors are classified into five categories based on the fire parameters they detect – smoke detectors, heat detectors, photoelectric detectors, gas detectors, and composite detectors. Key points of fire safety knowledge 6: Ten prohibitions regarding fire and explosion prevention 1. Smoking is strictly prohibited in the factory, as is bringing in any kind of ignition sources or flammable, explosive, toxic, or corrosive substances; 2. The use of fire for construction or household purposes is strictly prohibited in the factory (a permit must be obtained if fire use is indeed necessary); 3. Wearing clothing that can generate static electricity is prohibited when working in oil and gas areas; 4. Wearing shoes with metal nails is prohibited in oil and gas areas as well as in areas with flammable and explosive devices; 5. Using gasoline or volatile solvents to clean equipment, clothes, tools, or floors is strictly prohibited; 6. Non-work-related motor vehicles are prohibited from entering production facilities, tank areas, and flammable/explosive zones; 7. Discharging flammable, explosive materials, or chemical hazards on site is strictly prohibited; 8. Using ferrous metals or tools that can produce sparks for hammering, striking, or performing tasks in oil and gas areas is prohibited; 9. Blocking fire exits or misusing or damaging fire protection facilities is strictly prohibited; 10. Damaging various explosion-proof facilities in the factory is strictly prohibited.