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Saturday, December 3, 2011. The Timeless Beauty of Copper. Of the 90 or so chemical elements that naturally occur on planet Earth, only Copper has that distinctive red color that we are all so familiar with. Copper is, in my opinion, the most beautiful of all the metals useful for jewelry. Furthermore, with the price of silver going absolutely through the roof, the availability and economy of copper adds to its attractiveness. Became the first Roman coins in the traditional sense. These were cast at .
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Content on this page requires a newer version of Adobe Flash Player. Corrosion is one of the biggest problems of steel structures immersed in sea water whether they are ship hulls or subsea pipelines or off shore platforms. Cathodic Protection is one of the most effective methods of controlling corrosion and is used either as a stand-alone protection or more commonly as a fail-safe back-up for paints. Aluminium and Zinc Sacrificial Anodes. Impressed Current Cathodic Protection Systems.