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halogen | |||
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halogens |
halógeno : 25 phrases in 11 subjects |
Automobiles | 1 |
Chemistry | 1 |
Earth sciences | 1 |
Environment | 14 |
General | 2 |
Lasers | 1 |
Lighting other than cinema | 1 |
Materials science | 1 |
Measuring instruments | 1 |
Textile industry | 1 |
Transport | 1 |