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Correct!

Which type of fire extinguisher shouldn't be used on flammable liquids?

Water (red)
Correct answer
Foam (cream)
Dry powder (blue)
Carbon dioxide (black)

DVSA theory test explanation

It's very important to know the correct fire extinguisher to use. They'll carry a coloured label or badge telling you their contents. Make sure you learn which extinguisher is which, as using the wrong one could be dangerous and may spread the fire further. For example, you should never use a water extinguisher on burning oil.

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