What is Gold

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Gold is a very precious metal is a chemical element that has the symbol and atomic number is in the periodic table. And so-called natural his condition before beating with gold dust, a soft yellow color and shiny, use the criticism as a unit when many peoples and civilizations and nations, as it is used in jewelry and gems industry. Resides in the nature of the granules body within the rocks in the river beds, or in the form of veins in the ground, and often there is gold with other metals such as copper and lead, the largest mass of gold was discovered in Australia, and the advantage of gold lack of corrosion and softness as it is more chemical elements density . And gold has existed in abundance when the Pharaohs And they make him the coffins of their kings and their vehicles as they made him a mask of the most beautiful masks known to mankind was made of pure Pharaoh Tutankhamun gold. And gold is a monetary base used by the International Monetary Fund and the Bank for International Settlements and the other for gold Astamlat is used in dentistry and electronics.

Use the gold

Use the gold 

Use the gold for thousands of years in the instrument of the coin; gold because the material has a high value, and are used in financial transactions for a long time. Gold is widely used in the electronics industry, because of the important characteristics that enjoys such as: the ability to connect the power supply with high efficiency, high corrosion resistance, making it ideal for devices that are characterized by low volts such as mobile phones, television, and connecting wires. Gold is used in the computer hardware industry because of its ability to excellent conductivity. Gold is used in dentistry; because it is inert elements, and because of the ease of dealing with him, and composition in the use of cosmetic fillers.

Aluminum

Aluminum

Aluminum is a lightweight metal, silver in color and can be easily machined in any form. They can Adlvin or knocking into thick slabs for use in tanks and armored, or to Rhivh chips used in some types of wrapped candy. And it can be withdrawn in the form of wires or manufactured in the form of cans. Aluminum and stainless steel, and resists corrosion due to weather conditions or chemicals.

And Lin pure aluminum and its hardness is limited. For this reason, aluminum producers are usually made of aluminum alloy, which consists of aluminum fortified with small amounts of copper, magnesium, zinc and other elements. It adds the power of these elements and other recipes to aluminum to make it Vlza very useful. In fact, the world's aluminum is used more than any other metal, except iron and steel.

Aluminum and more metallic elements in the earth's crust and the third abundant element in general after oxygen and silicon. Aluminum and about 8% of the earth's crust. Which - unlike some other metals such as gold and silver - there is absolutely pure condition (non-Combined) in nature, but there is always combined with other elements. A way to separate the aluminum from the elements until the nineteenth century were not available to man. At this time, scientists have developed methods for the separation of aluminum and produced in a pure state. Since then it has been using these methods for the production of aluminum.

Aluminum or aluminum element in the periodic table and a light metal that has the symbol "Al". It is used in the aircraft industry because of the lightness. It is more of a presence on the metal surface of the globe in the air, water and soil.

How oil is produced

How oil is produced

Oil is an organic waste, whether the remains of human being or an animal

These waste products accumulate and decompose a large period of time of up to thousands of years

And ultimately become oil or oil

O are recognized by Amiri small study of the soil and the region and its terrain Geloggio

And then it is determined by the depth of the oil and picks are the work of the excavations so and then from the depths Ishvt

And this oil is extracted from the raw ingredients such as petroleum jelly and secondary such as oils and fuels

gold

gold

It symbolizes for gold among the items by the periodic table of the elements of the symbol (Au), and is one of the metals, expensive, exists in nature where they are mined and extracted from the ground, and called and is in its natural state any and is in the ground Baltbr, used gold in jewelry that adorned by women and men in different parts of the world industry, due to the aesthetics and to Aonth, which facilitates the formation process and the design of various forms of use, as it was used in ancient times as a currency in cash for the states in the centuries old along with silver, where the coins were Tsk them, but today and after the establishment of the currency paper place of gold, to facilitate commercial transactions and to facilitate the movement and carry them out, the Alzha used as a reserve established by the state to give a monetary value of paper currency. All this and more important for this precious element uses. A country that gold resides in its territory, becoming very rich in this case that the rest of the countries left in the same, as has happened with African countries, which assailed by colonial powers and looted wealth.

Stress muscles and ligaments

Stress muscles and ligaments

Repeat carry heavy weights and repeat denies sudden can leadto strain the back muscles and ligaments between the vertebrae movements. The physical condition was not as it should be that such actions lead to tension and stress in the muscles of the back, which makes you feel the pain

Treatment of tooth pain

Treatment of tooth pain

When a toothache source are derived from the core of age, be a cure toothache address the root canal. But when the pain stems from the source of the teeth, the gums treatment is scraping (Curettage), wash and clean the gum pocket. And then instructed to give antibiotics, sometimes, in both cases the inflammation mentioned. Mother and teeth disappear, usually after 24-48 hours of starting treatment.