One Man's Sewage Is Another Man's Drinking Water

Series: Biology - It's Life Series

Year Published: 1980

Creator: THAMES TELEVISION 306 EUSTON RD LONDON NW1 3BB ENGLAND

Format: 16mm

Sound: sound

Description: States that safe, clean available water is necessary for all life, but water is often contaminated to some degree. Sewage can be recycled and water can be cleaned up using modern techniques.


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