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What other feature do Class B foams and dry chemical possess to aid in the suppression of jet-fuel fires?
1.)They require different hoses and nozzles.

2.)They increase volatility of the fuel.

3.)They are more cost-efficient.

4.)They decrease flammability of the fuel.

Sagot :

Answer:

3.is your answer

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Answer:

2.) They increase the volatility of the fuel.

Explanation: