 |
| sleeve pipe: 25 phrases in 14 subjects |
| Construction | 6 |
| Electrical engineering | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| General | 1 |
| Industry | 1 |
| Military | 2 |
| Mining | 2 |
| Oil / petroleum | 3 |
| Oil and gas | 2 |
| Public utilities | 1 |
| Technology | 1 |
| Textile industry | 1 |
| Thermal engineering | 2 |