Most of the gold plating on gold-plated watches is 14K gold, and this gold contains a certain amount of silver in addition to 58.5% pure gold. After the reaction between silver and some volatile industrial waste gas in the air, a black film of silver sulfide will be produced on the surface, thus making the gold-plated watches lose their gold-colored luster.
Tag: New
Can hyaluronic acid really hydrate the skin?
Many brands are now offering moisturizers containing hyaluronic acid, and some have developed the concept of “hyaluronic acid lotion”, which is said to be very effective. In fact, moisturizers have been the mainstay of the cosmetic market across brands, but even so, some people are always asking, “How do I moisturize my skin?” Let’s introduce hyaluronic acid skin care products and skin moisturizers.
How to set the time of a mechanical watch
1, do not adjust the date from 22:00 to 2:00 (some watches 20:00 to 4:00), it is easy to damage the watch and the calendar jump incorrectly. 2, in order to extend the service life of the watch, many watches will use the slow jumping way that is gradually jumping around midnight time period, generally jumping before 2:00 am to complete is normal (some watches to 4:00 am to complete).
How about Laofengxiang Gold
The two most famous jewelry brands in China are Zhou Dafu and Laofengxiang, so the competition between these two brands is always there. Is Laofengxiang better or Chow Tai Fook better? How about Laofengxiang gold?
How to maintain a fully automatic mechanical watch
Automatic mechanical watch is easy to use, no manual winding, no batteries, it is more advanced than the old mechanical watch is the use of the arm swing automatic winding, which makes most people in order to save time, are willing to choose automatic mechanical watch, then how to maintain the automatic mechanical watch?
Red wines Cold maceration
When we look at the winemaking process used in a wine, we often see the term “ColdSoak/ColdMaceration”. So, what is cold maceration? How is it different from normal maceration? And what effect does it have on the wines produced?
Which is better, Tse Sui Luen or Chow Tai Fook
TSL, founded in 1971 in Hong Kong, is a large-scale jewelry retailer and manufacturer in Asia. Its innovative product design development has been highly respected by the industry and customers, and its creation of diamond snoopy is well known in the industry. The following is an introduction to TSL, how about TSL jewelry, and which is better, TSL or Chow Tai Fook?
Where does the oxygen in wine come from?
Oxygen is one of the substances that promote the aging of wine. Wine aging is a slow oxidation process that causes changes in the flavor and aroma of the wine and changes the color of the wine. However, if too much oxidation occurs, the wine can become defective due to “peroxidation”. The visible signs of oxidation in a wine can sometimes have a beneficial effect, as in the case of some Sherry and Jura wines.
Men’s crossbody bag which brand is good
Men’s crossbody bag which brand is good? Men in addition to briefcases followed by crossbody bags is a common bag style, the advantages of casual and practical, simple and generous. I think everyone has no experience with what brand of good crossbody bag?
Common misconceptions about buying products for sensitive skin
The sensitive skin must be careful when buying products, a little carelessness may make their skin suffer. But many sensitive skin in the purchase of products may have misconceptions, let us take a look.