science working model of class9 with explanation
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like wind milll ..............
jayatiarora:
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1. A model of an elevator
2.DC motor
3.Blind man’s stick
4.Steam boat
5.Sterling engine
6.Hydraulic jack
7.Lie detectors
these are some suggestions.... choose one frm the list n i can give u its explanation...allright☺
2.DC motor
3.Blind man’s stick
4.Steam boat
5.Sterling engine
6.Hydraulic jack
7.Lie detectors
these are some suggestions.... choose one frm the list n i can give u its explanation...allright☺
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