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| gypsum A colourless or white mineral used in the building industry and in the manufacture of cement, rubber, paper and plaster of Paris | |||
| igeltsu: 1 фраза в 1 тематике |
| Окружающая среда | 1 |
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| gypsum A colourless or white mineral used in the building industry and in the manufacture of cement, rubber, paper and plaster of Paris | |||
| igeltsu: 1 фраза в 1 тематике |
| Окружающая среда | 1 |