 |
| 保函: 135 phrases in 21 subjects |
| Aviation | 1 |
| Business | 1 |
| Commerce | 2 |
| Cryptography | 1 |
| Economy | 3 |
| Electronics | 2 |
| Engineering geology | 1 |
| Exhibitions | 1 |
| Finances | 12 |
| Hydroelectric power stations | 13 |
| Insurance | 1 |
| International Monetary Fund | 1 |
| International trade | 9 |
| Logistics | 6 |
| Mathematics | 1 |
| Oil / petroleum | 3 |
| Project management | 31 |
| Rail transport | 12 |
| Securities | 3 |
| Technology | 23 |
| Textile industry | 8 |