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| controlo por pontos móveis | |||
| avaliação da regularidade do serviço | |||
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| controlo de distâncias; controlo de frequências | |||
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control de intervalos : 8 phrases in 4 subjects |
| Information technology | 5 |
| Power system protection | 1 |
| Transport | 1 |
| Video recording | 1 |
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