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- 下水道機構とは
- 調査研究
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- 広報普及
- 研修啓発
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- About JIWET
- Research & Development
- Implementaion of anti-inundation measures
- Outline
- Promotion of earthquake disaster prevention
- Establishment of sound water environment
- Improvement of combined sewerage
- Water quality improvement by advanced sewage treatment
- Establishment of energy and resources recycling
- Apropriate stock management
- Construction of efficient sewage
- SPIRIT21
- Global expansion
- Technology Certification
- For Urban Sanitation
