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Protection : 602 phrases in 45 subjects |
| Agriculture | 4 |
| Art | 2 |
| Automated equipment | 1 |
| Chemistry | 6 |
| Commerce | 1 |
| Communications | 5 |
| Construction | 145 |
| Cultural studies | 5 |
| Data processing | 1 |
| Economics | 30 |
| Electrical engineering | 2 |
| Electronics | 1 |
| Environment | 91 |
| Finances | 21 |
| Fish farming pisciculture | 1 |
| Forestry | 29 |
| General | 32 |
| Health care | 10 |
| Human rights activism | 29 |
| Immigration and citizenship | 23 |
| Information technology | 9 |
| International law | 1 |
| Labor law | 1 |
| Law | 27 |
| Life sciences | 3 |
| Loading equipment | 3 |
| Medical | 2 |
| Melioration | 1 |
| Microsoft | 19 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 1 |
| Nuclear physics | 4 |
| Obsolete / dated | 12 |
| Patents | 5 |
| Politics | 23 |
| Procedural law | 8 |
| Research and development | 3 |
| Social science | 3 |
| Sociology | 4 |
| Statistics | 1 |
| Technology | 1 |
| Trade unions | 3 |
| Transport | 20 |
| United Nations | 5 |
| Ventilation | 3 |