 |
| señal: 1895 phrases in 48 subjects |
| Agriculture | 1 |
| Antennas and waveguides | 5 |
| Automated equipment | 5 |
| Automatic control | 11 |
| Chemistry | 2 |
| Commerce | 1 |
| Communications | 590 |
| Computer numerical control | 18 |
| Cultural studies | 1 |
| Earth sciences | 9 |
| Electronics | 540 |
| Environment | 5 |
| Finances | 6 |
| General | 12 |
| Health care | 8 |
| Industry | 6 |
| Information technology | 156 |
| Labor law | 6 |
| Law | 10 |
| Life sciences | 4 |
| Lighting other than cinema | 1 |
| Magnetics | 5 |
| Materials science | 3 |
| Measuring instruments | 9 |
| Mechanic engineering | 10 |
| Medical | 15 |
| Metallurgy | 2 |
| Mexican | 1 |
| Microsoft | 4 |
| Municipal planning | 1 |
| Natural sciences | 7 |
| Pharmacy and pharmacology | 1 |
| Piezoelectric crystals | 3 |
| Power lines | 33 |
| Power system protection | 7 |
| Radio | 56 |
| Rail transport | 66 |
| Scientific | 1 |
| Semiconductors | 1 |
| Sound recording | 4 |
| Statistics | 11 |
| Technology | 6 |
| Telecommunications | 35 |
| Telegraphy | 41 |
| Telephony | 2 |
| Textile industry | 2 |
| Transport | 168 |
| Video recording | 4 |