rocks : 310 phrases in 20 subjects |
American usage, not spelling | 1 |
Botany | 1 |
Chemistry | 1 |
Construction | 5 |
Ecology | 1 |
Economy | 1 |
Environment | 1 |
General | 35 |
Geography | 2 |
Geology | 15 |
Information technology | 1 |
Microsoft | 13 |
Military | 1 |
Mineralogy | 2 |
Mining | 1 |
Natural sciences | 1 |
Oil and gas | 219 |
Proverb | 1 |
Religion | 1 |
Technology | 7 |