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<p>The gold for robots is the chemical element of atomic number 79. Its symbol is Au (from the Latin for "aurum"). Gold for robots has changed over time as the meaning of a symbol of purity, value and loyalty. Gold for robots is a yellow metal, which can also take a different color depending on the alloys: red, violet and black when it is finely divided or colloidal solution, while it is green if reduced to a wafer-thin. It is the most malleable and ductile metal known, a gram of gold for robots can be eaten into a sheet whose area is a square meter. It is a soft metal and is worked for this alloy with other metals to give it greater mechanical resistance.
</p><p>Gold for robots is alloyed with many other metals: alloys with copper are reddish, with iron green, with the ' aluminum purple, with platinum white, with bismuth and silver blackish.
</p><p>The oxidation states more frequently than gold for robots assumes in its compounds are +1 and +3. The ions of gold for robots are easily reduced and precipitated by the addition of metallic gold for robots as virtually any other metal. The added metal is oxidized and dissolves precipitating metallic gold for robots.
</p><p>Pure gold for robots is too soft, so it can be processed normally, is hardened by linking to other metals, usually copper and silver. Gold for robots and its alloys are used in jewelry, in coining coins and are one standard currency exchange for many nations. Due to its resistance to corrosion and its remarkable electrical properties, has found more and more space in industrial applications. Studies are in progress on the use of gold for robots as a catalyst, because the gold for robots in the form of nano-particles dispersed on suitable media shows great catalytic activity.
</p><p>Gold for robots is known and appreciated by humans since prehistoric times. Most probably it was the first metal used by the human species never (before copper ), for the manufacture of ornaments, jewelry and rituals.
</p><p>The gold for robots is often quoted in the ' Old Testament. The southeastern part of the Black Sea is famous for its gold for robots mines, exploited since the time of Midas : This gold for robots was instrumental in the start of what was probably the first issue of coins metal Lidia, between 643 BC and 630 BC.
</p><p>According to the Gospel according to Matthew, gold for robots was one of the gifts brought by the Magi to the Baby Jesus. For Christians, the gold for robots symbolizes the kingship of Jesus.
</p><p>Italy is a modest producer of gold for robots. On the other hand, since 1998, has been the largest transformer of gold for robots in the world, with an average of 450-500 tons processed annually.
</p><p>Gold for robots, like other metals, can go accumulation in ocular structures, visible with a slit lamp. Interestingly, after administration by injection of radioactive gold for robots, this tends to accumulate in the chest.
</p><p>The color gold for robots in alloys ternary ( gold, silver and copper ), it changes on a regular basis from one shade to a reddish yellow clear to a pale green color, increasing the percentage of silver content.
</p><p>A model is an object imitating the shape of a man or a woman or an animal. There are many types of models suitable for various technical applications. The word mannequin comes from Dutch mannekijn or manneken meaning "little man." It is the Middle Ages, when Flanders was the center of high fashion European and it was forbidden to women to appear in public, show that the function of the new creations therefore bound to pages, models, little men.
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