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
Xuxa Park fire As Xuxa and her dancers were performing a show-closing musical number, a small fire started in the set's mechanical "spaceship" (through which Xuxa would normally have exited the stage in another 2 minutes). For a few seconds, they continued their musical number, unaware of what was happening behind them. An alert stagehand quickly appeared with a small fire extinguisher and attempted to extinguish the flames, but suddenly the fire erupted violently, engulfing the "spaceship," and he was forced to retreat as others on stage also began to flee. The fire grew and spread quickly and intensively as children, dancers, stagehands,