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Public-images-osm logo.svg man_made = graduation_tower
Tężnia - Ciechocinek.JPG
Graduation tower. Edit or translate this description.
Group: Man_made
Used on these elements
should not be used on nodesshould not be used on waysmay be used on areasshould not be used on relations
Status: in use


A  Graduation tower is a structure used in the production of salt which removes water from a saline solution by evaporation, increasing its concentration of mineral salts.