| English thesaurus | |||
| |||
| STEP | |||
|
Shell : 139 phrases in 29 subjects |
| Agriculture | 14 |
| Business | 1 |
| Chemistry | 18 |
| Construction | 2 |
| Earth sciences | 15 |
| Economics | 1 |
| Electric motors | 1 |
| Electronics | 5 |
| English | 1 |
| Environment | 7 |
| Fish farming pisciculture | 6 |
| General | 6 |
| Industry | 4 |
| Information technology | 3 |
| Law | 6 |
| Life sciences | 4 |
| Lighting other than cinema | 2 |
| Mechanic engineering | 4 |
| Medical | 2 |
| Metallurgy | 16 |
| Microsoft | 2 |
| Mineral products | 1 |
| Natural resourses and wildlife conservation | 3 |
| Natural sciences | 5 |
| Patents | 5 |
| Physical sciences | 1 |
| Technology | 1 |
| Thermal Energy | 1 |
| Transport | 2 |