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  2. GP-5 gas mask - Wikipedia

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

    The filtering-absorbing box (FPK) of the GP-5 civilian gas mask has the shape of a cylinder. The FPC body is made of aluminium. In its lower half, there is an antiaerosol filter, and in the upper half, there is an absorber ( activated carbon). On the lid of the box, there is a screwed neck with a standard 40/4 thread for attaching the FPC to ...

  3. Gas cylinder - Wikipedia

    en.wikipedia.org/wiki/Gas_cylinder

    A gas cylinder quad, also known as a gas cylinder bundle, is a group of high pressure cylinders mounted on a transport and storage frame. There are commonly 16 cylinders, each of about 50 litres capacity mounted upright in four rows of four, on a square base with a square plan frame with lifting points on top and may have fork-lift slots in the ...

  4. Industrial gas - Wikipedia

    en.wikipedia.org/wiki/Industrial_gas

    A gas regulator attached to a nitrogen cylinder. Industrial gases are the gaseous materials that are manufactured for use in industry.The principal gases provided are nitrogen, oxygen, carbon dioxide, argon, hydrogen, helium and acetylene, although many other gases and mixtures are also available in gas cylinders.

  5. Barrack buster - Wikipedia

    en.wikipedia.org/wiki/Barrack_buster

    Barrack buster is the colloquial name given to several improvised mortars, developed in the 1990s by the engineering unit of the Provisional Irish Republican Army (IRA).. The improvised mortar properly called "barrack buster" - known to the British security forces as the Mark 15 mortar - fired a 1 metre (3 ft 3 in) long metal propane cylinder with a diameter of 36 centimetres (14 in), which ...

  6. Oxy-fuel welding and cutting - Wikipedia

    en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

    As a fuel, acetylene's primary disadvantage in comparison to other fuels is its high price. As acetylene is unstable at a pressure roughly equivalent to 33 ft (10 m) underwater, water-submerged cutting and welding is reserved for hydrogen rather than acetylene. Compressed gas cylinders containing oxygen and MAPP gas

  7. NFPA 704 - Wikipedia

    en.wikipedia.org/wiki/NFPA_704

    "NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response" is a standard maintained by the U.S.-based National Fire Protection Association. First "tentatively adopted as a guide" in 1960, [ 1 ] and revised several times since then, it defines the " Safety Square " or " Fire Diamond " which is used to ...