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barrier : 225 phrases in 42 subjects |
| Agriculture | 2 |
| Antennas and waveguides | 1 |
| Cables and cable production | 2 |
| Chemistry | 3 |
| Commerce | 6 |
| Communications | 3 |
| Construction | 5 |
| Earth sciences | 11 |
| Economics | 6 |
| Education | 1 |
| Electric machinery | 1 |
| Electronics | 48 |
| Environment | 20 |
| Finances | 13 |
| General | 20 |
| Health care | 13 |
| Industry | 5 |
| Information technology | 1 |
| Insurance | 1 |
| International trade | 3 |
| Labor law | 2 |
| Law | 3 |
| Life sciences | 1 |
| Magnetics | 1 |
| Marketing | 1 |
| Materials science | 2 |
| Mathematics | 2 |
| Mechanic engineering | 3 |
| Medical | 4 |
| Microsoft | 1 |
| Natural sciences | 2 |
| Patents | 1 |
| Physical sciences | 8 |
| Politics | 9 |
| Radio | 1 |
| Radiology | 1 |
| Rail transport | 3 |
| Semiconductors | 1 |
| Social science | 2 |
| Statistics | 1 |
| Taxes | 1 |
| Transport | 10 |