Reverse osmosis moves forward.
Potera
Carol
C
D003247:Conservation of Natural Resources; D008567:Membranes, Artificial; D009995:Osmosis; D014865:Waste Disposal, Fluid; D014873:Water Pollutants / Q000302:isolation & purification; D014881:Water Supply
D008567:Membranes, Artificial; D014873:Water Pollutants