01:19
disassembly of WE M1911A1 0.45 cal
00:59
segway
00:36
載我們去北海道的小飛機
00:55
Wii Fit Yoga
00:19
cam with a lateral groove
00:17
heart cam
00:23
gear system that changes direction
00:14
gear system that changes speed
00:32
pendulum clock mechanism
00:40
train wheel system
00:48
mechanism of windsheild wipers
00:37
resonance in front of a temple
01:49
Oliver's hunt for Taipei delicacies
02:10
designers answering an NUU student's question
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