Fire extinguisher are essential safety devices designed to combat various types of fires. These portable devices contain extinguishing agents tailored to specific fire classes, categorized by letter and color codes. Class A extinguishers are suitable for ordinary combustibles like wood, Class B for flammable liquids, Class C for electrical fires, Class D for combustible metals, and Class K for kitchen fires. Understanding the correct use of extinguishers is vital for effective fire safety. Familiarize yourself with the PASS technique (Pull, Aim, Squeeze, Sweep) for proper usage. Regular maintenance, checks, and awareness are crucial to ensure the extinguishers are operational. Placing extinguishers strategically in homes, businesses, or industrial settings, and educating occupants on their usage, enhances overall fire safety, providing a proactive defense against potential emergencies.