why does a needle have a pointed tip
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4
because it's work to Pinterest any thing in small quantity
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6
a needle have a pointed tip because....
it can easy put inside the clothes ...
as pressure will be more as pressure= force / area..
here we have minimize the area so that the area get increased...
it can easy put inside the clothes ...
as pressure will be more as pressure= force / area..
here we have minimize the area so that the area get increased...
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