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According to the data of London Metal Exchange, 48% of the copper produced is used in buildings (building electricity, piping, roof applications) and 17% in electric lines and 16% in general engineering applications; 8% in illumination systems; 7% in communication; and 4% in other fields.

Electricity

The copper is intensely used in the electrical systems of the buildings. Because besides its better electrical conductivity, it is resistant to corrosion and easily contorted. The most important component of profitable electricity motors is the copper. It seems that the environment policies and electrical transportation would increase demand for the copper.

Electronics and Communication

The copper has become the most important component of the communication infrastructure up to date. However, discovery and development of the fiber optic cables substituted the copper cables on the ocean floor. On the other hand, easement of communication seems to wind on to the world more and more! Furthermore, data transmitted through optic cables placed on the ocean floor arrive at the end user through copper cables. LAN and WAN networks and systems are always made of copper or copper-alloyed materials.

The most recent innovation is that semi-conductive integrated circuit producers have introduced to the market a new revolutionary chip including copper circuits. The "Copper Chip" is now at the prototype phase.

Construction

The copper has been used as the main material of the roofs in the west for centuries. Today, source of the green color widely noticed on the building roofs in the historical western cities is the copper! After a while, a chemical compound named copper carbonate occurs on the surface in contact with the air and this compound both protects the material from corrosion for centuries and additionally creates a peculiar appearance of its own.

The reason why the copper is preferred in the piping and fittings is that it does not melt, inflame, release toxic gasses during the fire and host several fatal bacteria such as legionella.

Transportation

Copper alloys are also preferred in construction of the hulls of the ships. This is because it helps elimination of biological accumulations on the hulls, the nightmares of the boat owners.

The copper is used in electrical systems of the automobiles, in the radiator bodies - due to its heat conductivity - as well as rollers. Today, a medium size automobile has 27.5 kg and a Boeing 747-400 Jumbo Jet has 4000 kg average contents of copper.

Industrial Machineries and Equipment

Endurance, easy treatability and flexibility under tolerant or sensitive working conditions make the copper one of the most important components of the machinery parts. For instance; rollers, gear cases and jet motor winglets.

Its resistance to corrosion, possibility of production of alloys such as copper-brass and bronze and copper-nickel make it one of the indispensable inputs of the maritime business.

Marine vehicles, depots, pipes exposed to sea water, fans, petroleum platforms and power plants erected on the seacoast are all in need of copper due to its endurance and resistance to corrosion.

Furthermore, it is possible to see this metal with atomic number 29 in many fields concerned with the consumers, from hard cashes to home decoration stuff.
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