Heartbeat machine by Kong Yen Sun. 2. Infrared wireless speaker system by Teh Yih Ann. 3. LED sandglass by Yeo Haw Jiun. 4. Maintenance charger by Ganesh Mahendran. 5. Model railroad crossing flasher (with beeper) by Ong Kok Leong.
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| Format: | Book |
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Nilai:
INTI College Malaysia,
1998.
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