what is fire class b（関連順）

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Classes/Types of Fire and how to Extinguish

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F-500 EA vs Water - Class B Fire Demo

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Class B Fire Training Video

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Firexo 113B Class B Fire Test

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The class B fire test for the small car extinguisher

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3 litre Water Mist extinguisher on a Class B fire

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CLASSES OF FIRE AND EXTINGUISHER

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結果 : what is fire class b