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License
https://creativecommons.org/licenses/by-nc/4.0/
Remove constraint License: https://creativecommons.org/licenses/by-nc/4.0/
UN SDG
6 - Clean Water and Sanitation
Remove constraint UN SDG: 6 - Clean Water and Sanitation
UN SDG
7 - Affordable and Clean Energy
Remove constraint UN SDG: 7 - Affordable and Clean Energy