Fluorinated gases pharmaceutical industries, as well as in refrigeration when combined with other gases. PFCs were commonly used as fire extinguishants in the past and are still found in older fire protection systems. They are also a by-product of the aluminium smelting process. Sulphur hexafluoride (SF) is used primarily as an insulation gas. It can be found in high-voltage switchgear and is used in the production of magnesium. HFCs were developed in the 1990s to substitute substances such as chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs). As these substances were found to deplete the ozone layer, the Montreal Protocol lays down provisions for them
Beyond Protocol the community project "After Protocol" as open source continuation. In a 2008 GameSpy preview, Beyond Protocol was hailed for its "Customizable units; incredibly deep strategy; economic wheeling and dealing; player democracy", while noting concerns about balancing. Beyond Protocol Beyond Protocol was a subscription based Sci-Fi Massively multiplayer online real-time strategy game (MMORTS) Computer Game developed by the American independent game developer Dark Sky Entertainment and released in November 2008. The 3D game modelled a persistent and player-driven fictional galaxy. Beyond Protocol was an entirely Player versus player (PvP) game, no Non-player characters (NPCs) exist within the game, all activities (trade,