Fire extinguisher older models also achieved class B and C fire-fighting capability in the past, current models are rated A:K (Amerex, Ansul, Buckeye and Strike First) or K only (Badger/Kidde). Clean agents extinguish fire by displacing oxygen (CO or inert gases), removing heat from the combustion zone (Halotron-1, FE-36, Novec 1230) or inhibiting the chemical chain reaction (Halons). They are referred to as clean agents because they do not leave any residue after discharge which is ideal for protecting sensitive electronics, aircraft, armored vehicles and archival storage, museums, and valuable documents. Halon was completely banned in Europe and Australia except for critical
Fort Lauderdale Fire-Rescue Department downtown business district, prompted the city to purchase its first fire equipment consisting of a chemical extinguisher mounted on carriage wheels, and a hand operated pump. Unique to Fort Lauderdale was that the fire department never had horse-drawn apparatus. The chemical extinguisher was pulled to fires by an International Harvester truck, and the pump was pulled to the fire scene by the firefighters themselves. The pump also carried 500 feet of fire hose, which at times was not sufficient to reach fires in the city, due to inadequate roads. The first fire station, the second in Broward County, was built