எந்த இடத்தில் எந்த fire extinguisher பயன்படுத்த வேண்டும்.?
எப்படி பயன்படுத்த வேண்டும்.?
How to use fire extinguisher.?
Type of fire extinguisher.?
Water extinguisher
Foam extinguisher
Co2 extinguisher
Dry powder extinguisher
Wet chemical extinguisher.
Classification of fire.?
Class A
Class B
Class C
Class D
Class F
Electrical Fire.
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Негізгі бет Ғылым және технология fire extinguisher in tamil
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