 |
| |||
| sheeting; timbering | |||
| sheathing | |||
| trench shoring; trench timbering | |||
| shoring | |||
| |||
| trench shoring system | |||
| крепление стенок траншей: 19 phrases in 7 subjects |
| Bridge construction | 1 |
| Construction | 9 |
| Hydraulic engineering | 2 |
| Occupational health & safety | 2 |
| Oil / petroleum | 2 |
| Oil and gas technology | 2 |
| Road works | 1 |