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Engineering, 25.10.2019 20:43 paige5horses2000
How to make a shopping cart move with ease without a motor. like if the carts front wheels were smaller than the ones in the back the cart would move forward easier, or if the front of the cart is heavier so when you push it moves better or something like that.
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How to make a shopping cart move with ease without a motor. like if the carts front wheels were smal...
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