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manual operation: 66 phrases in 22 subjects |
Automobiles | 2 |
Aviation | 11 |
Bridge construction | 1 |
Business | 6 |
Earth sciences | 1 |
Economy | 4 |
Electronics | 9 |
Exhibitions | 1 |
General | 2 |
Hydroelectric power stations | 4 |
Information technology | 1 |
Marketing | 1 |
Metallurgy | 3 |
Nautical | 3 |
Plastics | 1 |
Project management | 2 |
Securities | 2 |
Shipbuilding | 2 |
Space | 3 |
Technology | 5 |
Telecommunications | 1 |
United Nations | 1 |