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dispositivo de seguridad | |||
aparato de protección | |||
dispositivo de protección |
safety device : 31 phrases in 10 subjects |
Chemistry | 2 |
Coal | 1 |
Electric traction | 1 |
Environment | 4 |
Health care | 2 |
Hobbies and pastimes | 1 |
Industry | 3 |
Labor law | 4 |
Mechanic engineering | 6 |
Transport | 7 |