【實用教育app】How to use Fire Extinguisher?|最夯免費app

Free Video How to use fire Extinguisher that show you on You tube video below detail:

- Class of Fire, that separate into class A, B,C and D

-How to use dry chemical fire extingusher

-How to use water fire extinguisher

- How to use CO2 fire extinguisher

-How to use foam extinguisher.

-etc

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