What is the recommended approach to handling grease fires?

The recommended approach to handling grease fires involves using a dry chemical extinguisher because these extinguishers are specifically designed to interrupt the chemical reactions that sustain the fire. Dry chemical extinguishers often contain agents that can effectively suppress fires fueled by grease or oil, creating a barrier between the fuel and oxygen, which is crucial for extinguishing the flames.

Using a dry chemical extinguisher prevents the fire from spreading, as grease fires can escalate rapidly if improperly handled. In contrast, attempts to use water on grease fires can lead to the dangerous phenomenon known as "flare-up," where the water vaporizes and spreads the burning oil, typically making the situation worse. Smothering the fire with a blanket could also be effective, but it’s generally safer and more reliable to use a designated fire extinguisher. While foam extinguishers can be useful in certain fire scenarios, they are not as effective or recommended for grease fires compared to dry chemical extinguishers. Therefore, the use of a dry chemical extinguisher is the most appropriate and safe response for these kinds of fires.