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turning yellow | |||
yellowing | |||
brightness reversion |
jaunissement : 20 phrases in 10 subjects |
Agriculture | 2 |
Chemistry | 2 |
Environment | 2 |
Health care | 1 |
Industry | 1 |
Natural resourses and wildlife conservation | 1 |
Natural sciences | 3 |
Pest control | 6 |
Technology | 1 |
Textile industry | 1 |