Correction fluid the Montreal Protocol on Substances That Deplete the Ozone Layer, and then the slightly safer trichloroethylene. Thinners currently used with correction fluid include bromopropane. Because it contains organic solvents (volatile organic compounds), unused correction fluid thickens over time as volatile solvents escape into the air. It can become too thick to use, and sometimes completely solidifies. Therefore, some manufacturers also sell bottles of solvent as "thinner", a few drops of which will return the correction fluid to its original liquid state. To avoid the inconveniences of organic solvents (safety and availability), some brands of fluid are water-based. However, those have
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,