 |
| 封口: 338 phrases in 49 subjects |
| Accumulators | 1 |
| Advertising | 4 |
| Animal husbandry | 7 |
| Architecture | 17 |
| Automobiles | 14 |
| Aviation | 3 |
| Beekeeping | 1 |
| Biotechnology | 2 |
| Bridge construction | 1 |
| Business | 2 |
| Chemistry | 6 |
| Compressors | 3 |
| Construction | 6 |
| Demography | 2 |
| Dentistry | 1 |
| Drilling | 6 |
| Economy | 8 |
| Electric machinery | 2 |
| Electronics | 5 |
| Energy industry | 1 |
| Exhibitions | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Finances | 1 |
| General | 17 |
| Hydroelectric power stations | 3 |
| International trade | 3 |
| Life sciences | 2 |
| Mechanic engineering | 1 |
| Metallurgy | 15 |
| Military | 1 |
| Mining | 1 |
| Oil / petroleum | 16 |
| Packaging | 4 |
| Plastic surgery | 1 |
| Plastics | 10 |
| Polygraphy | 1 |
| Polymers | 1 |
| Racing and motorsport | 1 |
| Rail transport | 1 |
| Reproductive biology | 1 |
| Rowing | 1 |
| Shipbuilding | 1 |
| Space | 3 |
| Sports | 2 |
| Steel production | 1 |
| Technology | 133 |
| Telecommunications | 1 |
| Textile industry | 21 |
| Transport | 1 |