The study on the designing a metal detector by Ong Eng Hui. 2. Two way intercom by Ee Kian Yiaw. 3. Walkie-talkie by Chong Chee Wai. 4. Wheel of fortune by Cheng Tze Yong. 5. Wireless auto technometer by Tee Wee San. 6. Wireless FM microphone byTan Chean Chai.

by ONG ENG HUI
Published 1998