On the morning of December 17, at the Conference Center of Danang Learning Resource Center, the second training session on the discussion of technical issues of the proposals was held.

12 teams competed with 12 ideas focusing on 4 groups:

• Options for treatment and reuse of used water for appropriate purposes
• Plans for collection, treatment, and rational use of rainwater
• Application of 4.0 technology in water leak detection and efficient use of water supply
• Simple, effective household water treatment solutions

The options are associated with the needs and the current situation of water use and control of wastewater in Da Nang city. 

Some pictures from the training session: