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materials of construction: 41 phrases in 13 subjects |
Construction | 17 |
Diplomacy | 1 |
Economy | 8 |
General | 4 |
Geography | 1 |
Makarov | 1 |
Oil / petroleum | 1 |
Oil and gas | 2 |
Organic chemistry | 1 |
Technology | 1 |
Trade classification | 2 |
Transport | 1 |
Weapons of mass destruction | 1 |