Programs that are responsible for preventing, investigating, controlling and extinguishing fires. Activities include fire safety education, firefighting, investigating the causes of suspicious fires, maintaining equipment and trained firefighters necessary for a quick and efficient response to fires when they occur, and enforcing fire codes which protect lives and property from fires and explosions arising from the storage, handling and use of hazardous substances, materials and devices, or from conditions hazardous to life and property in the use or occupancy of buildings or other premises.