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| natural gas | |||
| petroleum gas | |||
| natural gas A natural fuel containing methane and hydrocarbons that occurs in certain geologic formations | |||
| aardgas: 35 phrases in 9 subjects |
| Accounting | 1 |
| Chemistry | 1 |
| Coal | 2 |
| Energy industry | 15 |
| Environment | 1 |
| Finances | 2 |
| General | 3 |
| Metallurgy | 2 |
| Transport | 8 |