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gases combustibles | |||
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gas | |||
gases; humos | |||
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invitado |
gas de : 62 phrases in 11 subjects |
Chemistry | 12 |
Coal | 1 |
Earth sciences | 7 |
Energy industry | 4 |
Food industry | 1 |
General | 7 |
Health care | 1 |
Industry | 1 |
Metallurgy | 13 |
Physical sciences | 1 |
Transport | 14 |