|
alarm system : 50 phrases in 18 subjects |
| Agriculture | 1 |
| Automated equipment | 2 |
| Coal | 1 |
| Communications | 5 |
| Construction | 3 |
| Earth sciences | 3 |
| General | 7 |
| Industry | 1 |
| Information technology | 1 |
| Materials science | 1 |
| Medical appliances | 1 |
| Mineral products | 1 |
| Natural resourses and wildlife conservation | 3 |
| Nuclear physics | 1 |
| Social science | 1 |
| Telecommunications | 7 |
| Transport | 10 |
| United Nations | 1 |