Science Studies Hazardous Materials Problems

Format: 16mm

Sound: sound

Description: Explains about the hazardous wastes produced by industries. Shows medical researches done about the effects of hazardous wastes on animals and medical examinations done on workers who were exposed to the hazardous materials. Presents what kinds of measurements are taken by industries to prevent contamination and pollution.

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Original permalink · Record added: 2023-02-27 17:08:41