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Winch That Can Lift The Most 
January 29, 2004 Barboursville Middle after school LEGO Club  
Small gear drives large gear. That gear is on the same axle as a small gear. That gear drives a large gear. And so on ...   |
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Winch That Can Lift The Most
January 29, 2004 Barboursville Middle after school LEGO Club
Small gear drives large gear. That gear is on the same axle as a small gear. That gear drives a large gear. And so on ... |
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