- Hoʻomaʻemaʻe kinoea ʻōpala
- Hoʻomaʻamaʻa Sludge
- Lapaau wai
- ʻAno hoʻomaʻemaʻe wai ʻano pahu- RO System
- Pūnaehana osmosis hoʻohuli
- Nā Pūnaehana Hoʻomaʻemaʻe Wai
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- ʻO nā ʻōnaehana wai UF
- Nā ʻōnaehana hoʻomaʻemaʻe wai NF
- ʻO nā ʻōnaehana hoʻomaʻemaʻe wai ʻo EDI etc
- ʻOmole/Bākeke/ʻeke Laina Hoʻopiha wai
- Pūnaehana hoʻomaʻemaʻe wai ʻino MBR
- Hoʻoponopono wai piha
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