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2. Conservation and restoration of bone, horn, and antler objects

   en.wikipedia.org/wiki/Conservation_and...

   Such analysis determines if an object is a tool or was worked by humans and can also determine what an object was used for. Bone and antler tools, for example, will begin to polish over time with repeated use. By examining the worn, polished areas, scientists may determine how a bone or antler tool was held and used. [26] Worked antler

3. Jewellery cleaning - Wikipedia

   en.wikipedia.org/wiki/Jewellery_cleaning

   Jewelry with gemstones such as diamonds or sapphires can be cleaned at home as well using mild soap and warm water. However, gemstones such as opals and pearls should be done professionally. Another issue is the age of jewelry, as certain materials or build strategies of older jewelry (such as from the Georgian era ) may have restrictions, such ...

4. Lapidary - Wikipedia

   en.wikipedia.org/wiki/Lapidary

   Polishing is done with resin- or metal-bonded emery, silicon carbide (carborundum), aluminium oxide , or diamond dust in successively decreasing particle sizes until a polish is achieved. In older systems, the grinding and polishing powders were applied separately to the grinding or buffing wheel.

5. Polishing (metalworking) - Wikipedia

   en.wikipedia.org/wiki/Polishing_(metalworking)

   The condition of the material at hand determines what type of abrasive will be applied. The first stage, if the material is unfinished, starts with a rough abrasive (perhaps 60 or 80 grit) and each subsequent stage uses a finer abrasive, such as 120, 180, 220/240, 320, 400 and higher grit abrasives, until the desired finish is achieved.

6. AOL Video - Serving the best video content from AOL and ...

   www.aol.com/video

   The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

7. Diamond tool - Wikipedia

   en.wikipedia.org/wiki/Diamond_tool

   Resin-bonded diamond tools: The tools' bonding material is mainly resin powder. An example of this kind of tool is the resin-bonded diamond polishing pads used in the construction industry. Plated diamond tools: These tools are made by fixing the diamonds onto the tool's base via electroplating method or via CVD (Chemical Vapor Deposition ...