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  2. Welding - Wikipedia

    en.wikipedia.org/wiki/Welding

    Welding. Overhead stick welding. Welding is a fabrication process that joins materials, usually metals or thermoplastics, primarily by using high temperature to melt the parts together and allow them to cool, causing fusion. Common alternative methods include solvent welding (of thermoplastics) using chemicals to melt materials being bonded ...

  3. Welder - Wikipedia

    en.wikipedia.org/wiki/Welder

    Welder. A welder is a person or equipment that fuses materials together. The term welder refers to the operator, the machine is referred to as the welding power supply. The materials to be joined can be metals (such as steel, aluminum, brass, stainless steel etc.) or varieties of plastic or polymer. Welders typically have to have good dexterity ...

  4. Shielded metal arc welding - Wikipedia

    en.wikipedia.org/wiki/Shielded_metal_arc_welding

    Shielded metal arc welding. Shielded metal arc welding (SMAW), also known as manual metal arc welding (MMA or MMAW), flux shielded arc welding[1] or informally as stick welding, is a manual arc welding process that uses a consumable electrode covered with a flux to lay the weld. An electric current, in the form of either alternating current or ...

  5. List of metalworking occupations - Wikipedia

    en.wikipedia.org/wiki/List_of_metalworking...

    Practicing welders may have more experience with the technique (holding the wire and torches just right to make an excellent weld rather than a poor one, analogously to how a musician must play a musical instrument just right, with highly practiced deftness of fine motor control, in order to produce an excellent sound rather than a poor one ...

  6. Ironworker - Wikipedia

    en.wikipedia.org/wiki/Ironworker

    Building a bridge like this is a common ironworker job. An ironworker is a tradesman who works in the iron-working industry. Ironworkers assemble the structural framework in accordance with engineered drawings and install the metal support pieces for new buildings. They also repair and renovate old structures using reinforced concrete and steel.

  7. Exothermic welding - Wikipedia

    en.wikipedia.org/wiki/Exothermic_welding

    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.

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