 |
| tank cleaning: 43 phrases in 19 subjects |
| Automobiles | 2 |
| Cables and cable production | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Galvanizing | 1 |
| Mechanics | 1 |
| Medical appliances | 1 |
| Metallurgy | 2 |
| Military | 1 |
| Natural resourses and wildlife conservation | 5 |
| Nautical | 13 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Production | 1 |
| Roll stock | 1 |
| Technology | 3 |
| Transport | 4 |