how to make a magnet out of an iron needle
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a magnet has a great property .
if any iron needle is rubbed for much many times with any magnet and then stored with the magnet it starts attracting objects similar like magnet after some days but it's temporary .
we cannot make an iron needle a magnet for life time . a magnet is made with a special type of rock it contains some iron some metals but not all of it
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