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| warning system | |||
| warning system Any series of procedures and devices designed to detect sudden or potential threats to persons, property or the environment, often utilizing radar technology | |||
| alarm system | |||
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Warnsystem : 10 phrases in 8 subjects |
| Communications | 1 |
| Environment | 1 |
| General | 1 |
| Health care | 3 |
| Information technology | 1 |
| Natural resourses and wildlife conservation | 1 |
| Rail transport | 1 |
| Transport | 1 |