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Season 2 Episode 2 : Les savons

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Video series: 2

00:09:35 2015-09-16 13:15:25

Les savons et les détergents complexes d’aujourd’hui sont faits à base d’huiles et de graisses ordinaires. La composition chimique de ces produits est liée à leur pouvoir nettoyant.

Les savons

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Les savons

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