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Документов, удовлетворяющих Вашему запросу: 5
- History of Metallurgy - Trivia For Your Brain
Степень соответствия запросу: 37,21%
Фрагменты текста поста :
... The history of metallurgy can be dated back to 7,000 BC which is what they call the age of copper... ... The first process was purely accidental when the copper felt into a hot camp fire... ... Obviously, the copper melted and when it cooled people noticed the change of its shape... ... People have become brilliant that they made an alloy of copper and tin since both was commonly found in the same ore... Подробнее: http://metallurgytop.ru/post_1254560860.php
- History of Metallurgy
Степень соответствия запросу: 37,21%
Фрагменты текста поста :
... The most common metallic substance that was crafted was copper and axes are just some of the earliest tools made from this metal which came from the people of Vincha... ... Metals such as copper, lead, bronze silver, lead and gold are just some of the examples... ... In ancient Egypt, The Egyptians have made use of metals such as silver, iron, copper and tin for military purposes... ... Eventually, they have learned how to refine their metallic craft and they soon yielded copper and tin... Подробнее: http://metallurgytop.ru/post_1254560936.php
- Silver Gemstone Jewelry History In Neolithic India
Степень соответствия запросу: 20,93%
Фрагменты текста поста :
... daro and Harappan, men and women were already wearing , silver, copper and set with precious and semi&ndash... ... The seals originating from the Indus sites described cargos of textiles, and luxury goods such as semi precious gemstones, ivory, carnelian beads, pearls, mother of pearl and jade sent to Persia and Mesopotamia in exchange for gold, silver, tin, copper, lapis lazuli and turquoise... ... daro's lower levels revealed the living quarters of metal workers, specializing in the production of copper and bronze implements and weapons... Подробнее: http://metallurgytop.ru/post_1253104789.php
- What is Chemistry?
Степень соответствия запросу: 2,33%
Фрагмент текста поста :
... Although the ancients knew of copper, silver, gold, tin, lead, iron, carbon and sulphur, they did not know that these are elements... Подробнее: http://metallurgytop.ru/post_1248010517.php
- Bulgaria - Black Sea Gold
Степень соответствия запросу: 2,33%
Фрагмент текста поста :
... Minerals, including coal, copper, and zinc, play an important role in industry... Подробнее: http://metallurgytop.ru/post_1257774872.php
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