Abstract
Human beings produce sewage. Sewage is waste carried away by water. The constituents of sewage fall into three groups:
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domestic waste: faeces and urine bath water water from washing clothes kitchen water
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industrial waste: the type depends on the local industry, but it may contain heavy metals like mercury, zinc and lead
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surface water: rain water collected from roads.
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© 1991 Jean Roberts
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Roberts, J. (1991). Methane, typhoid and rubbish. In: Mastering Human Biology. Macmillan Master Series. Palgrave, London. https://doi.org/10.1007/978-1-349-11386-6_14
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DOI: https://doi.org/10.1007/978-1-349-11386-6_14
Publisher Name: Palgrave, London
Print ISBN: 978-0-333-52042-0
Online ISBN: 978-1-349-11386-6
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