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| sewage farm Area of land on which sewage or any other type of waste water is distributed in order to purify it; it is a kind of waste water treatment | |||
| aeration zone; unsaturated zone; zone of aeration; zone of suspended water | |||
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| sewage farm Area of land on which sewage or any other type of waste water is distributed in order to purify it; it is a kind of waste water treatment | |||
| aeration zone; unsaturated zone; zone of aeration; zone of suspended water | |||
