What types of fire extinguishers are most commonly used in shelters?

The correct answer highlights the types of fire extinguishers that are most relevant in a shelter environment. Class A fire extinguishers are effective for ordinary combustibles, which include materials like wood, paper, and cloth, commonly found in shelters. Class B extinguishers address flammable liquids, such as gasoline or oils, which might be present in kitchens or maintenance areas. Class C extinguishers are specifically designed for electrical fires, ensuring that the equipment and wiring found in shelters can be safely addressed in the event of a fire.

This combination of extinguisher types is essential for providing comprehensive fire safety, as shelters often have various materials and potential hazards present. While Class D and Class K extinguishers are important for specific situations—combustible metals and cooking oils respectively—they are not as commonly needed in a general shelter environment. The suggestion of only using water extinguishers as a cost-effective solution does not take into account the specific types of fire hazards present and could lead to dangerous situations.

Overall, the answer emphasizes the importance of having a diverse range of fire extinguishers in shelters to effectively manage various fire risks.