 |
| |||
| rugged service | |||
| hard service; severe service | |||
| heavy service; heavy-duty service; arduous service | |||
| rough use | |||
| эксплуатация в тяжёлых условиях: 18 phrases in 12 subjects |
| Armored vehicles | 1 |
| Energy industry | 2 |
| Firefighting and fire-control systems | 1 |
| Forestry | 1 |
| General | 2 |
| Military | 2 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Quality control and standards | 3 |
| Technology | 2 |
| Transport | 1 |