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  2. Exothermic welding - Wikipedia

    en.wikipedia.org/wiki/Exothermic_welding

    Exothermic welding, also known as exothermic bonding, thermite welding (TW), [1] and thermit welding, [1] is a welding process that employs molten metal to permanently join the conductors. The process employs an exothermic reaction of a thermite composition to heat the metal, and requires no external source of heat or current.

  3. List of welding processes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_processes

    This is a list of welding processes, separated into their respective categories. The associated N reference numbers (second column) are specified in ISO 4063 (in the European Union published as EN ISO 4063 ). [ 1 ]

  4. Gauntlet (glove) - Wikipedia

    en.wikipedia.org/wiki/Gauntlet_(glove)

    A gauntlet is a type of glove that protects the hand and wrist of a combatant. Gauntlets were used particularly in Europe between the early fourteenth century and the early modern period and were often constructed of hardened leather or metal plates.

  5. Nitroethane - Wikipedia

    en.wikipedia.org/wiki/Nitroethane

    Nitroethane is an organic compound having the chemical formula C 2 H 5 NO 2. Similar in many regards to nitromethane , nitroethane is an oily liquid at standard temperature and pressure. Pure nitroethane is colorless and has a fruity odor.

  6. Aluminothermic reaction - Wikipedia

    en.wikipedia.org/wiki/Aluminothermic_reaction

    Aluminothermic reactions are exothermic chemical reactions using aluminium as the reducing agent at high temperature. The process is industrially useful for production of alloys of iron. [1] The most prominent example is the thermite reaction between iron oxides and aluminium to produce iron itself: Fe 2 O 3 + 2 Al → 2 Fe + Al 2 O 3

  7. Welding helmet - Wikipedia

    en.wikipedia.org/wiki/Welding_helmet

    A welding helmet in use. A welding helmet is a piece of personal protective equipment used by welders to protect the user from concentrated light and flying particles. . Different welding processes need stronger lens shades with auto-darkening filters, while goggles suffice for

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