Platinum Watch

When I have my on job training in a mining industry, I was well aware of how some metals became so precious due to its properties and characteristics. My mentor that time encouraged me to read some articles to help me understand the differences between metals that are widely used as jewelries. I discovered that platinum metal is the most expensive material being used in industries for making jewelries. Why? It never goes rust and have this sturdy character, it is hard to break them.


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