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relatively intensive re-circulation of used water in work cycles or in a domestic water-supply networks after its treatment.

A carbon-containing compound, such as gasoline or acetone, that vaporizes at a relatively low temperature, generally below 40°C. VOC's can contaminate water, and in the a

– an order of operating of the protected territories and aqueous areas. Distinguished the absolutely reserved (full elimination of any activity of a person) and relativel