 |
| heavy fuel: 38 phrases in 16 subjects |
| Armored vehicles | 4 |
| Automobiles | 1 |
| Energy industry | 3 |
| Gas processing plants | 1 |
| Insurance | 1 |
| Makarov | 1 |
| Metallurgy | 2 |
| Military | 4 |
| Nautical | 2 |
| Nuclear physics | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 6 |
| Sakhalin | 1 |
| Technology | 7 |
| Transport | 1 |
| United States | 1 |