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The Nature of Things
Продолжается66 сезоновCBC
Сезон 3, Серия 7
Chemistry of Salt
60 мин.
Dr. Fred H. Knelman of Montreal, talks about the sources and chemistry of salt and the industrial applications of salt and its components.
Dr. Fred H. Knelman of Montreal, talks about the sources and chemistry of salt and the industrial applications of salt and its components.
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