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
Green Lantern: Circle of Fire Green Lantern: Circle of Fire "Circle of Fire" is a story arc that ran through a two-issue, self-titled comic book miniseries and five one-shot comics starring Green Lantern (Kyle Rayner) that was published by DC Comics in October 2000. It consists of two bookend issues, titled "Green Lantern: Circle of Fire", and five issues in between in each of which a brand new Green Lantern Corps member pairs up with an established DC superhero. These other heroes include Power Girl, Adam Strange, Firestorm, the Atom, and Kyle Rayner. The bookend issues and two of the team-up issues were written by