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2. Jewellery cleaning - Wikipedia

   en.wikipedia.org/wiki/Jewellery_cleaning

   Ultrasonic cleaner showing the removable basket in place, and a closeup of the light and timer. Ultrasonic cleaners are useful for jewelry cleaning and removing tarnish. They use ultrasound waves and chemicals combined to create bubbles that "cling" to the foreign particles such as dirt, oil, and unknown substances.

3. Coin cleaning - Wikipedia

   en.wikipedia.org/wiki/Coin_cleaning

   Coin cleaning is the controversial process of removing undesirable substances from a coin's surface in order to make it more attractive to potential buyers. The subject is disputed among the numismatic community whether cleaning coins is necessary. Those that argue in favor of cleaning are also in dispute on which methods work best.

4. Conservation and restoration of silver objects - Wikipedia

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

   Whether silver plating or pure silver, the composite of the metal will tarnish when exposed to air and sulfur. Tarnish is a chemical reaction on the surface of metal (copper, brass, silver, etc.) and causes a layer of corrosion. In the case of silver tarnish, the silver combines with sulfur and forms silver sulfide (Ag 2 S), which is

5. 37 things you didn't know you could do with vodka - AOL

   www.aol.com/article/2015/07/22/you-miss-37-of...

   Remove tarnish from jewelry: Soak silver jewelry or gemstones in vodka to leave them sparkling. You can also pour vodka on a clean cloth to wipe dirt or tarnish from jewels by hand.

6. Every ‘Squid Game’ Costume and What You Need to Rock Them

   www.aol.com/lifestyle/every-squid-game-costume...

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7. Cleaning agent - Wikipedia

   en.wikipedia.org/wiki/Cleaning_agent

   Cleaning agents or hard-surface cleaners are substances (usually liquids, powders, sprays, or granules) used to remove dirt, including dust, stains, foul odors, and clutter on surfaces. [1] Purposes of cleaning agents include health , beauty, removing offensive odors, and avoiding the spread of dirt and contaminants to oneself and others.