Blow moulding processes for making mineral water bottle by Lee Keh Ren. 2. Design a machine for cutting grass by Kuan Kim Hong. 3. Design a solar water heater by using thermosyphon method by Chong Chee Kit. 4. Design a water operated rock tumbler by Chin Kuan Shean. 5. Design a wooden mould...

by LEE KEH REN
Published 1998