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  2. Laser cutting - Wikipedia

    en.wikipedia.org/wiki/Laser_cutting

    For sheet metal cutting, the focal length is usually 1.5–3 inches (38–76 mm). [7] [8] Advantages of laser cutting over mechanical cutting include easier work holding and reduced contamination of workpiece (since there is no cutting edge which can become contaminated by the material or contaminate the material). Precision may be better since ...

  3. List of metalworking occupations - Wikipedia

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

    Sometimes laborers' positions may be called by more specific names, such as oiler. Technology in general, and automation in particular, tends to exert pressure against laborer-type job creation, with the lowest-skilled positions being most at risk. For example, so-called labor gangs, groups of men assigned to shoveling or other manual tasks ...

  4. List of laser types - Wikipedia

    en.wikipedia.org/wiki/List_of_laser_types

    Helium–silver (HeAg) metal-vapor laser [3] 224.3 nm Scientific research Strontium vapor laser: 430.5 nm Scientific research Neon–copper (NeCu) metal-vapor laser [3] 248.6 nm Electrical discharge in metal vapor mixed with neon buffer gas. Scientific research: Raman and fluorescence spectroscopy [4] [5] Copper vapor laser: 510.6 nm, 578.2 nm

  5. List of tool manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_tool_manufacturers

    Pliers, screwdrivers, nut drivers, wire pulling and stripping tools, crimping tools, scissors, snips, shears, cable and bolt cutters, conduit benders, personal protective equipment, tool bags for the electrical trade

  6. Laser engraving - Wikipedia

    en.wikipedia.org/wiki/Laser_engraving

    The same conduction that works against the spot vaporisation of metal is an asset if the objective is to vaporise some other coating away from the metal. Laser engraving metal plates are manufactured with a finely polished metal, coated with an enamel paint made to be "burned off". At levels of 10 to 30 watts, excellent engravings are made as ...

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