 |
| cleaner: 342 phrases in 32 subjects |
| Agriculture | 100 |
| Astronautics | 1 |
| Chemistry | 18 |
| Coal | 9 |
| Commerce | 1 |
| Construction | 1 |
| Earth sciences | 7 |
| Ecology | 1 |
| Economy | 1 |
| Electronics | 26 |
| Energy industry | 1 |
| Environment | 22 |
| Finances | 6 |
| Fish farming pisciculture | 1 |
| General | 13 |
| Health care | 2 |
| Industry | 20 |
| Information technology | 5 |
| Insurance | 1 |
| Labor law | 1 |
| Life sciences | 9 |
| Marketing | 5 |
| Materials science | 5 |
| Mechanic engineering | 11 |
| Medical | 1 |
| Metallurgy | 1 |
| Microsoft | 4 |
| Municipal planning | 8 |
| Natural sciences | 10 |
| Nuclear physics | 4 |
| Technology | 23 |
| Transport | 24 |