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  2. 29+ personalized holiday gifts

    www.aol.com/news/29-personalized-holiday-gifts...

    The 52-card set feels smooth in your hand and comes encased in a clear acrylic box that looks pretty when set out on a coffee table or bar cart. Lego Mosaic Maker DIFFBOT

  3. Baublebar's sitewide Black Friday sale is one you can't miss ...

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    Get 30% off all jewelry at Baublebar during the brand's sitewide Black Friday sale. Get 20% off custom items, too. ... This gold, two-piece bracelet set is perfect for everyday wear or as a quick ...

  4. Chemical coloring of metals - Wikipedia

    en.wikipedia.org/wiki/Chemical_coloring_of_metals

    Brown or black can be used as a base color for copper patina. If the amount of chlorides decreases the color will be more bluish-green, if carbonate decreases, more yellow-green. [27] Black for copper. Solution of sodium polysulfide 2.5%, items must be submerged in the solution after color developing, wash, dry and wax or varnish colored object ...

  5. Jewellery - Wikipedia

    en.wikipedia.org/wiki/Jewellery

    In creating jewellery, gemstones, coins, or other precious items are often used, and they are typically set into precious metals. Platinum alloys range from 900 (90% pure) to 950 (95% pure). The silver used in jewellery is usually sterling silver, or 92.5% fine silver. In costume jewellery, stainless steel findings are sometimes used.

  6. Metalworking - Wikipedia

    en.wikipedia.org/wiki/Metalworking

    A fireman turning a bar of metal on a lathe on the USS Harry S. Truman in 2004. Metalworking is the process of shaping and reshaping metals in order to create useful objects, parts, assemblies, and large scale structures.

  7. Laser engraving - Wikipedia

    en.wikipedia.org/wiki/Laser_engraving

    Laser marking on stainless steel A laser engraving machine A laser engraver. A laser engraving machine consists of three main parts: a laser, a controller, and a surface. [2] The laser is a drawing tool: the beam emitted from it allows the controller to trace patterns onto the surface.

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