Signalling System
| No
7
| signalling system | |
| commun. | sistema de señalización |
| NOS | |
| chem. | óxido nítrico sintasa |
| |||
| sistema de señalización | |||
| protocolo de señalización | |||
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Signalling System : 23 phrases in 6 subjects |
| Coal | 1 |
| Communications | 15 |
| Electricity generation | 1 |
| Electronics | 4 |
| Health care | 1 |
| Information technology | 1 |