It's a great idea that Singapore has a philosophy think ahead,think again and think across. I wish every leader has this king of thoughts.
I'm thinking to innovate building material that could help to reduce building cost. Anybody can help an idea to convert ashfall (vukcanic ash) to light weight cement panel through mixing if chemical hardener composition. Anyone would be intrested please feel free to contact me. I have a huge anount of ashfall in Asia.