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  2. GP-5 gas mask - Wikipedia

    en.wikipedia.org/wiki/GP-5_gas_mask

    The GP-5 kit is widely available on the army surplus market, usually very cheaply ($5 to $25), and is often used as a part of Halloween or fancy dress costumes, including cosplay. [3] They are a favorite of gas mask collectors because they are easy to obtain and have the "old" circular eyepieces like masks used in World War II and the "helmet ...

  3. Escape from Tarkov - Wikipedia

    en.wikipedia.org/wiki/Escape_from_Tarkov

    Escape from Tarkov is a multiplayer tactical first-person shooter video game in development by Battlestate Games for Microsoft Windows. The game is set in the fictional Norvinsk region in northwestern Russia , where a war is taking place between two private military companies (United Security "USEC" and the Battle Encounter Assault Regiment ...

  4. Purified water - Wikipedia

    en.wikipedia.org/wiki/Purified_water

    Purified water. Purified water is water that has been mechanically filtered or processed to remove impurities and make it suitable for use. Distilled water was, formerly, the most common form of purified water, but, in recent years, water is more frequently purified by other processes including capacitive deionization, reverse osmosis, carbon ...

  5. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out for a variety of ...

  6. Chlorine - Wikipedia

    en.wikipedia.org/wiki/Chlorine

    Chlorine. orthorhombic ( oS8) Chlorine is a chemical element; it has symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature. It is an extremely reactive element ...

  7. Milkor MGL - Wikipedia

    en.wikipedia.org/wiki/Milkor_MGL

    Armson OEG collimator sight in quadrant. The Milkor MGL (Multiple Grenade Launcher) is a lightweight 40 mm six-shot revolver -type grenade launcher (variations also fire 37/38mm) developed and manufactured in South Africa by Milkor (Pty) Ltd. The MGL was demonstrated as a concept to the South African Defence Force (SADF) in 1981.

  8. Ultrapure water - Wikipedia

    en.wikipedia.org/wiki/Ultrapure_water

    Ultrapure water (UPW), high-purity water or highly purified water (HPW) is water that has been purified to uncommonly stringent specifications. Ultrapure water is a term commonly used in manufacturing to emphasize the fact that the water is treated to the highest levels of purity for all contaminant types, including: organic and inorganic compounds; dissolved and particulate matter; volatile ...

  9. Chemical cartridge - Wikipedia

    en.wikipedia.org/wiki/Chemical_cartridge

    A respirator cartridge or canister is a type of filter that removes gases, volatile organic compounds (VOCs), and other vapors from air through adsorption, absorption, or chemisorption. It is one of two basic types of filters used by air-purifying respirators. The other is a mechanical filter, which removes only particulates.