 |
| power pump: 23 phrases in 9 subjects |
| Agriculture | 3 |
| Earth sciences | 8 |
| General | 1 |
| Materials science | 1 |
| Mechanic engineering | 3 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 2 |
| Transport | 3 |
|
| power pump: 23 phrases in 9 subjects |
| Agriculture | 3 |
| Earth sciences | 8 |
| General | 1 |
| Materials science | 1 |
| Mechanic engineering | 3 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 2 |
| Transport | 3 |