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| diesel oil | |||
| fuel oil; low gravity oil | |||
| heavy oil | |||
| diesel fuel; diesel fuel oil | |||
| |||
| heavy oils | |||
| huile lourde: 39 phrases in 10 subjects |
| Chemistry | 8 |
| Coal | 1 |
| Energy industry | 3 |
| Industry | 1 |
| Information technology | 1 |
| Loading equipment | 12 |
| Materials science | 1 |
| Mechanic engineering | 6 |
| Metallurgy | 3 |
| Natural resourses and wildlife conservation | 3 |