the problems of the Drinking water (security purification-volume) are closely related to the problems of the cleansing of waste waters, its main source of pollution. the priority of the priorities it is the cleansing: more fed you of drinking water household plus you generated effluents of waste waters which rejected into the environment pollute in a perennial way this rare resource

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the problems of the Drinking water (security purification-volume) are closely related to the problems of the cleansing of waste waters, its main source of pollution. the priority of the priorities it is the cleansing: more fed you of drinking water household plus you generated effluents of waste waters which rejected into the environment pollute in a perennial way this rare resource