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H.R : 33 phrases in 15 subjects |
American usage, not spelling | 2 |
Armored vehicles | 4 |
Astronomy | 1 |
Automobiles | 5 |
Aviation | 2 |
Chemistry | 1 |
Energy industry | 2 |
General | 1 |
Industrial hygiene | 1 |
Makarov | 4 |
Medical | 1 |
Rail transport | 1 |
Technology | 6 |
Tengiz | 1 |
Transport | 1 |