CPC Main Group Additional Only
Y02A 20/00 Water conservation; Efficient water supply; Efficient water use
8 direct subcodes
Child Classifications
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- Y02A 20/108 Rainwater harvesting
- Y02A 20/124 Water desalination
- Y02A 20/146 using grey water
- Y02A 20/15 Leakage reduction or detection in water storage or distribution
- Y02A 20/152 Water filtration
- Y02A 20/20 Controlling water pollution; Waste water treatment
- Y02A 20/30 Relating to industrial water supply, e.g. used for cooling
- Y02A 20/40 Protecting water resources