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2. Laser engraving - Wikipedia

   en.wikipedia.org/wiki/Laser_engraving

   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 the enamel is removed quite cleanly. Much laser engraving is sold as exposed brass or silver-coated steel lettering on a black or dark-enamelled background.

3. Color engraving - Wikipedia

   en.wikipedia.org/wiki/Color_engraving

   Color Laser Engraving is a marking process that uses MOPA fiber laser source to mark color on metal surface such as stainless steel, titanium, etc. . MOPA refers to a configuration consisting of a master laser (or seed laser) and an optical amplifier to boost the output power.

4. Engraving - Wikipedia

   en.wikipedia.org/wiki/Engraving

   Other terms often used for printed engravings are copper engraving, copper-plate engraving or line engraving. Steel engraving is the same technique, on steel or steel-faced plates, and was mostly used for banknotes, illustrations for books, magazines and reproductive prints, letterheads and similar uses from about 1790 to the early 20th century, when the technique became less popular, except ...

5. Rotogravure - Wikipedia

   en.wikipedia.org/wiki/Rotogravure

   The desired pattern is achieved by engraving with a laser or a diamond tool, or by chemical etching. If the cylinder is chemically etched, a resist (in the form of a negative image) is transferred to the cylinder before etching. The resist protects the non-image areas of the cylinder from the etchant. After etching, the resist is stripped off.

6. Laser cutting - Wikipedia

   en.wikipedia.org/wiki/Laser_cutting

   The CO 2 laser is suited for cutting, boring, and engraving. The neodymium (Nd) and neodymium yttrium-aluminium-garnet lasers are identical in style and differ only in the application. Nd is used for boring and where high energy but low repetition are required. The Nd:YAG laser is used where very high power is needed and for boring and engraving.

7. Parents charged with abuse after child's botched circumcision ...

   www.aol.com/parents-charged-abuse-childs-botched...

   A couple has been arrested after authorities say they performed a botched circumcision on their son at their central Missouri home last week.. Prosecutors charged Tyler Wade Gibson, 35, with one ...