 |
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| perdita di brillantezza | |||
| opacizzazione | |||
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clouded : 15 phrases in 9 subjects |
| Agriculture | 1 |
| Environment | 1 |
| Health care | 3 |
| Life sciences | 2 |
| Metallurgy | 1 |
| Municipal planning | 1 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 4 |
| Textile industry | 1 |