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
2012 Jersey gas holder fire gas leak on the side of the holder", who were using electric tools. During this, the leaking gas ignited. The fire spread and "attacked" the joints of the holder, which caused more gas to leak out and ignite, resulting in a larger and more intense fire. Furthermore, Jersey Gas admitted to not carrying out risk assessments, not providing "a safe system of work" and providing inadequate health and safety training to its employees. An area of St Helier was evacuated and cordoned off soon after the fire started. Seven near-by schools were also evacuated. Many residents who live in houses