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некерамические | огнеупорные материалы
| огнеупорные материалы | |
| O&G | refractories; refractory materials |
| tech. | hearthstone |
| огнеупорный материал | |
| automat. | nonflammable material |
| avia. | fireproof material |
| busin. | fire-proof material |
| fire. | fire-hardened material |
| seism. | refractory material |
| некерамические: 2 phrases in 2 subjects |
| Building materials | 1 |
| General | 1 |