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"When the well is dr y , we know the worth of water" Benjamin Franklin (1706-1790), January 1746. "The frog does not drink up the pond in which he lives" Indian Pr overb Equitable apportionment and reasonable utilization and conservation of the available water resources is the main response to water scarcity of the twenty-first centur y .

Produktbeschreibung
"When the well is dr y , we know the worth of water" Benjamin Franklin (1706-1790), January 1746. "The frog does not drink up the pond in which he lives" Indian Pr overb Equitable apportionment and reasonable utilization and conservation of the available water resources is the main response to water scarcity of the twenty-first centur y .