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| sand extraction The extraction of sand by mining for building purposes and for the extraction of heavy minerals such as rutile and zircon | |||
| sand extraction | |||
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extraction de sable : 1 phrase in 1 subject |
| Construction | 1 |
| |||
| sand extraction The extraction of sand by mining for building purposes and for the extraction of heavy minerals such as rutile and zircon | |||
| sand extraction | |||
|
extraction de sable : 1 phrase in 1 subject |
| Construction | 1 |