由於火有不同的分類,在救火的時候,要先清楚火警的成因,才可使用正確的滅火器材撲救。
Using a wrong extinguisher on a fire could do more harm than good. Be sure that you understand which type of extinguishers is appropriate for which classes of fire.
 
根據美國UL的標準,火警分為 ABC 三類:
According to USA  UL standard, there are 3 types of fire:
A 類火 由木材、紙張、棉、布、塑膠等所引起的火警。
Class A Fires involve common combustibles such as wood, paper, cloth, rubber, trash and plastics.
Class A fires are common in typical commercial and home settings.
B 類火警:由易燃液體、易燃氣體、固體油脂等易燃物品所引起的火警。
Class B Fires involve flammable liquids, solvents, oil, gasoline, paints, lacquers and other oil-based products.
Class B fires often spread rapidly. Unless they are properly suppressed, they can re-flash even after the flames have been extinguished.
C 類火警:由通電中的電器裝設及機械所引起的火警。
Class C fires can be caused by a spark, a power surge, or a short circuit.
Class C fires: involve energized electrical equipment such as wiring, controls, motors, machinery or appliances.
Tips
乾粉式滅火筒可撲滅 A B C 3類火警,是您的首選。
使用不合適的滅火筒,可能適得其反。請於購買前先查詢專業意見。
滅火筒上的標誌,指示該型號可撲滅的類別。
 
For protection against ALL COMMON CLASSES OF FIRES, choose A B C type extinguisher - Powder type
Be sure that you understand which types of extinguishers are appropriate for which classes of fire.
Using a wrong extinguisher on a fire could do more harm than good. 
The use code symbols on the extinguisher's label show the class or classes of fire that the particular type of extinguisher is designed to fight.
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