Automatic Tank Filler by Kum Hun Kit. 2. Baby Trolley Can Going Up The Stair by Tai Woon Chein. 3. Battery-Powered Motorized Shopping Trolley by Chong Yong Hong. 4.Ceiling Fan Cleaner by Wong Ke Wei.
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| Format: | Book |
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Nilai:
INTI College Malaysia,
Dec 2001.
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