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escadas não metálicas | |||
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escada; caixa de escada |
staircase : 24 phrases in 11 subjects |
Construction | 3 |
Cultural studies | 1 |
Earth sciences | 1 |
Electronics | 2 |
General | 2 |
Industry | 1 |
Materials science | 2 |
Mathematics | 7 |
Municipal planning | 1 |
Statistics | 3 |
Transport | 1 |