| English thesaurus | |||
| |||
| GEM | |||
|
Gas Expansion : 15 phrases in 10 subjects |
| Automated equipment | 1 |
| Chemistry | 1 |
| Earth sciences | 3 |
| Emergency medical care | 1 |
| High energy physics | 1 |
| Industry | 1 |
| Measuring instruments | 1 |
| Oil and gas | 1 |
| Technology | 2 |
| Weapons and gunsmithing | 3 |