Friday, March 25, 2011

eLearning Lesson 2 by Benz Kew (09)

1st picture: A pair of scissors (1st Class Lever)
2nd picture: Spanner (2nd Class Lever)
3rd picture: Correction tape without refill (Spur gears, Rack and Pinion)

These are mechanisms in stationery and tools.

Thanks and Cheers =)

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