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Ivory ý nghĩa, định nghĩa, ivory là gì: Before plastic was invented ivory was used for making objects of everyday life, like knife handles, piano keys, combs and billiard balls. While elephant ivory is the most commonly known type, several other species produce ivory with distinct physical and chemical properties.

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One type of ivory is elephant ivory, which has been used to create various types of objects such as jewelry, figurines, and decorative items. Each source has its own story tied to geography, animal biology, and cultural history. Hard ivory generally comes from elephants in the western half of africa, soft ivory from those in the eastern half.

Elephant ivory is the most important source, but ivory from mammoth, walrus, hippopotamus, sperm whale, orca, narwhal and warthog are used as well.

Although the trade of ivory is heavily restricted today, critics say that any legal form of ivory trade encourages illegal poaching—and, as a result, trade in ivory is still very lucrative. A hard ivory tusk is darker in colour and is more slender and straighter in form than a soft tusk. It is valuable and can be used for making carved ornaments. .the international ban on the sale of ivory.

While ivory can be taken from dead or live animals, most has been taken from live animals, and particularly elephants killed for their tusks. Traders started moving in on africa and the ivory trade started to boom. [10][11] elk also have two ivory teeth, which are believed to be the remnants of tusks from their ancestors. Another type is walrus ivory, which has been used.

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At the same time, the historical popularity of ivory has resulted in rapid declines of elephants and other animals taken for the ivory trade.

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