Answer :
Final answer:
To extinguish a paint thinner fire, use a Class B fire extinguisher.
Explanation:
To extinguish a paint thinner fire, you should use a Class B fire extinguisher. Class B fire extinguishers are specifically designed to tackle flammable liquid fires, such as fires involving paint thinner. They contain agents like foam, powder, or carbon dioxide that can smother the flames and cool down the burning material.
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