 | long Steel beam
| City: | Hà Nội, Hà Nội,  Vietnam |
| Category: | Business (Data Entry) |
| Date: | 11/8/2012 4:56:46 PM (4192 days ago) |
| Description: | Pure aluminium is made from bauxite, a kind of rock that has aluminium oxide and many impurities. The bauxite is crushed and reacted with sodium hydroxide. The aluminium oxide dissolves. Then the a... |
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