porosité : 60 phrases in 15 subjects |
Chemistry | 5 |
Construction | 1 |
Earth sciences | 11 |
Environment | 1 |
General | 3 |
Hobbies and pastimes | 2 |
Life sciences | 9 |
Materials science | 1 |
Metallurgy | 19 |
Nuclear physics | 1 |
Packaging | 1 |
Soil science | 1 |
Technology | 3 |
Textile industry | 1 |
Transport | 1 |