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tecnologías menos contaminantes | |||
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tecnología limpia | |||
tecnología poco contaminante | |||
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tecnología limpia |
Cleaner technologies: 13 phrases in 7 subjects |
Ecology | 2 |
Environment | 5 |
General | 2 |
Information technology | 1 |
Materials science | 1 |
Natural sciences | 1 |
Transport | 1 |