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| cycle of materials; materials cycle; metabolic cycle | |||
| nutrient cycle | |||
| material life cycle; material life cycle All the stages involved in the manufacturing, distribution and retail, use and re-use and maintenance, recycling and waste management of materials | |||
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Stoffkreislauf : 3 phrases, 2 sujets |
| Général | 2 |
| Sciences naturelles | 1 |