Air cushion catamaran by Azhar Hussain. 2. Automated compost heap maker by Choi Yong Kwan. 3. Battery operated cycling figure by Balraj s/o Nadarajah. 4. Biogas from the palm oil waste by Teh Tian Chai. 5. Collapsible bridge by Lim Chee Hean.

by AZHAR HUSSAIN
Published 2000