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  2. How To Refund Games On Steam - AOL

    www.aol.com/refund-games-steam-144451381.html

    Click on the purchase that you wish to refund, then click the “I would like a refund” button. From here, you can choose to get help with gameplay or technical issues, or simply request a refund.

  3. Wheel arrangement - Wikipedia

    en.wikipedia.org/wiki/Wheel_arrangement

    Wheel arrangement. In rail transport, a wheel arrangement or wheel configuration is a system of classifying the way in which wheels are distributed under a locomotive. [ 1] Several notations exist to describe the wheel assemblies of a locomotive by type, position, and connections, with the adopted notations varying by country.

  4. Valve Anti-Cheat - Wikipedia

    en.wikipedia.org/wiki/Valve_Anti-Cheat

    Valve Anti-Cheat ( VAC) is an anti-cheat tool developed by Valve as a component of the Steam platform, first released with Counter-Strike in 2002. When the software detects a cheat on a player's system, it will ban them in the future, possibly days or weeks after the original detection. [1] It may kick players from the game if it detects errors ...

  5. Steam trap - Wikipedia

    en.wikipedia.org/wiki/Steam_trap

    A steam trap is a device used to discharge condensates and non-condensable gases with a negligible consumption or loss of live steam. Steam traps are nothing more than automatic valves. They open, close or modulate automatically. [ 1] The three important functions of steam traps are:

  6. Piston valve (steam engine) - Wikipedia

    en.wikipedia.org/wiki/Piston_valve_(steam_engine)

    The valve is next opened by moving it to the right, allowing the clear space in the middle of the valve to align with the channel in the cylinder above it. Piston valves are one form of valve used to control the flow of steam within a steam engine or locomotive. They control the admission of steam into the cylinders and its subsequent ...

  7. Steam engine - Wikipedia

    en.wikipedia.org/wiki/Steam_engine

    A steam locomotive from East Germany. This class of engine was built in 1942–1950 and operated until 1988. A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder.

  8. Steam reforming - Wikipedia

    en.wikipedia.org/wiki/Steam_reforming

    Steam reforming. Steam reforming or steam methane reforming (SMR) is a method for producing syngas ( hydrogen and carbon monoxide) by reaction of hydrocarbons with water. Commonly natural gas is the feedstock. The main purpose of this technology is hydrogen production. The reaction is represented by this equilibrium: [1]

  9. Steam distillation - Wikipedia

    en.wikipedia.org/wiki/Steam_distillation

    Steam distillation is a separation process that consists of distilling water together with other volatile and non-volatile components. The steam from the boiling water carries the vapor of the volatiles to a condenser; both are cooled and return to the liquid or solid state, while the non-volatile residues remain behind in the boiling container.