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sinalização luminosa de tráfego; semáforo |
المرور : 49 phrases in 11 subjects |
Electric machinery | 1 |
Electric traction | 3 |
Environment | 13 |
Lighting other than cinema | 1 |
Mathematics | 2 |
Microsoft | 20 |
Rail transport | 3 |
Sound recording | 1 |
Statistics | 1 |
Telecommunications | 3 |
Telegraphy | 1 |