Chemistry, 16.04.2021 23:20, brandon2222269

Donnez la distance à laquelle on doit se placer pour éviter tout risque auditif, c'est-à-dire pour avoir un niveau sonore au niveau des oreilles de 90 dB maximum.

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Donnez la distance à laquelle on doit se placer pour éviter tout risque auditif, c'est-à-dire pour a...

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